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Articles 1081 - 1110 of 1881

Full-Text Articles in Earth Sciences

Forest Conservation In A Changing World: Natural Or Cultural? Example From The Western Carpathians Forests, Romania, Angelica N. Feurdean Apr 2010

Forest Conservation In A Changing World: Natural Or Cultural? Example From The Western Carpathians Forests, Romania, Angelica N. Feurdean

Studia UBB Geologia

In order to plan for the future management of some of the most biodiverse forests of Europe, it is essential that we understand under which condition they arose and the time and processes responsible for their variability. Here, I highlight the main findings from the palaeoecological (pollen and charcoal), archaeological and historical investigation comprising the last 6000 years, in the Apuseni Natural Park, NW Romania and discuss the effect of the past land use and forest management on these forests. I then ask what does it mean in term of conservation values if these forests are not natural but a …

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Coastal Karren Features In Temperate Microtidal Settings: Spatial Organization And Temporal Evolution, Lluís Gómez-Pujol, Joan J. Fornós Apr 2010

Coastal Karren Features In Temperate Microtidal Settings: Spatial Organization And Temporal Evolution, Lluís Gómez-Pujol, Joan J. Fornós

Studia UBB Geologia

Basin pools are the diagnostic feature of Coastal Karren landscape at temperate settings. According to the size and connectivity parameters four morphological zones are identified along limestone coastal profiles. Each zone reflects the balance between the effects of physical and chemical weathering-erosion agents. Broadly, marine abrasion, bioerosion and biological driven solution show a larger influence seaward, whereas non-biological driven solution enhances its participation landward

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Upper Cenomanian – Lower Turonian (Cretaceous) Calcareous Algae From The Eastern Desert Of Egypt: Taxonomy And Significance, Ioan I. Bucur, Emad Nagm, Markus Wilmsen Apr 2010

Upper Cenomanian – Lower Turonian (Cretaceous) Calcareous Algae From The Eastern Desert Of Egypt: Taxonomy And Significance, Ioan I. Bucur, Emad Nagm, Markus Wilmsen

Studia UBB Geologia

An assemblage of calcareous algae (dasycladaleans and halimedaceans) is described from the Upper Cenomanian to Lower Turonian of the Galala and Maghra el Hadida formations (Wadi Araba, northern Eastern Desert, Egypt). The following taxa have been identified: Dissocladella sp., Neomeris mokragorensis RADOIČIĆ & SCHLAGINTWEIT 2007, Salpingoporella milovanovici RADOIČIĆ 1978, Trinocladus divnae RADOIČIĆ 2006, Trinocladus cf. radoicicae ELLIOTT 1968, and Halimeda cf. elliotti CONARD & RIOULT, 1977. Most of the species are recorded from the first time from Egypt. Three of the identified algae (T. divnae, S. milovanovici and H. elliotti) also occur in Cenomanian limestones of the Mirdita zone, Serbia, …

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Investigations On Some Zeolitic Volcanic Tuffs From Cluj County (Romania), Used For Zinc Ions Removal From Aqueous Solution, Horea Bedelean, Andrada Maicaneanu, Silvia Burca, Maria Stanca Apr 2010

Investigations On Some Zeolitic Volcanic Tuffs From Cluj County (Romania), Used For Zinc Ions Removal From Aqueous Solution, Horea Bedelean, Andrada Maicaneanu, Silvia Burca, Maria Stanca

Studia UBB Geologia

Representative samples of zeolitic tuffs from Măcicaş, Aluniş and Apahida occurrences (Cluj County, Romania) were investigated using optical microscopy, scanning electron microscopy (SEM), X-ray diffraction (XRD) and wet chemical analyses. The studied tuffs samples are mainly represented by vitric and vitric crystal varieties. The mineral assemblage suggests a rhyo-dacitic petrographic type of the volcanic tuff. Diagenetic alteration process in the pyroclastic sequence from this region led to the formation of zeolites, mainly clinoptilolite. The zeolitic tuffs under study can be used in wastewaters treatment to remove Zn2+ ions. Zn2+ removal was performed on some bulk samples: Aluniş (labelled A1), Apahida …

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Managing The Geodiversity In Baia Mare Region: From The Scientific To The Public Interest, Alexandrina Fülöp, Marinel Kovacs Apr 2010

Managing The Geodiversity In Baia Mare Region: From The Scientific To The Public Interest, Alexandrina Fülöp, Marinel Kovacs

Studia UBB Geologia

The management of the geodiversity develops around the geological sites with scientific significance, which may be used for education. It is a key component of the natural resources in the Baia Mare region, which encompasses the Oaş and Gutâi Mts. and the adiacent Oaş, Maramureş and Baia Mare basins. After the decline of the mining-derived activities in the region, the development of the scientific and public interest on the geodiversity can be an alternative for the future. The scientific value of the geodiversity in the Baia Mare region is justified by the complex geology of the Neogene magmatic rocks and …

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Planning The Future Of Geocybereducation, Jeffrey G. Ryan, Susan Eriksson Jan 2010

Planning The Future Of Geocybereducation, Jeffrey G. Ryan, Susan Eriksson

Geology Faculty Publications

No abstract provided.

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Landscape Values As A Determinant In Geotourism Development: A Case Study Of Utah, Usa, E. Papińska, Elzbieta Białkowska-Jelińska Jan 2010

Landscape Values As A Determinant In Geotourism Development: A Case Study Of Utah, Usa, E. Papińska, Elzbieta Białkowska-Jelińska

School of Geosciences Student Publications

The state of Utah is located in west-central United States. The area of 219 887 km2is populated by 2.8 million people (in 2009). Population density is relatively low: 12 persons per square km. The main reasons for low population density are unfavourable natural conditions. The most important are topography and climate. Utah’s landscape diversity is a consequence of a variety of terrain types. For that reason, there are 5 national parks (Zion, Bryce, Capitol Reef, Arches and Canyonlands), national monuments, and other lower rank protected areas established in Utah. Each of these places, characterized by unique types of …

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Thermal Imaging Of The Waccasassa Bay Preserve: Image Acquisition And Processing, Ellen A. Raabe, Elzbieta Bialkowska-Jelinska Jan 2010

Thermal Imaging Of The Waccasassa Bay Preserve: Image Acquisition And Processing, Ellen A. Raabe, Elzbieta Bialkowska-Jelinska

School of Geosciences Student Publications

Thermal infrared (TIR) imagery was acquired along coastal Levy County, Florida, in March 2009 with the goal of identifying groundwater-discharge locations in Waccasassa Bay Preserve State Park (WBPSP). Groundwater discharge is thermally distinct in winter when Floridan aquifer temperature, 71-72 °F, contrasts with the surrounding cold surface waters. Calibrated imagery was analyzed to assess temperature anomalies and related thermal traces. The influence of warm Gulf water and image artifacts on small features was successfully constrained by image evaluation in three separate zones: Creeks, Bay, and Gulf. Four levels of significant water-temperature anomalies were identified, and 488 sites of interest were …

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Teaching Resources In Speleology And Karst: A Valuable Educational Tool, Jo De Waele Jan 2010

Teaching Resources In Speleology And Karst: A Valuable Educational Tool, Jo De Waele

International Journal of Speleology

There is a growing need in the speleological community of tools that make teaching of speleology and karst much easier. Despite the existence of a wide range of major academic textbooks, often the caver community has a difficult access to such material. Therefore, to fill this gap, the Italian Speleological Society, under the umbrella of the Union International de Spéléologie, has prepared a set of lectures, in a presentation format, on several topics including geology, physics, chemistry, hydrogeology, mineralogy, palaeontology, biology, microbiology, history, archaeology, artificial caves, documentation, etc. These lectures constitute the “Teaching Resources in Speleology and Karst”, available online. …

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Uranium-Series Dating Of Gypsum Speleothems: Methodology And Examples, Laura Sanna, Francisco Saez, Siri Simonsen, Silviu Constantin, José-Maria Calaforra, Paolo Forti, Stein-Erik Lauritzen Jan 2010

Uranium-Series Dating Of Gypsum Speleothems: Methodology And Examples, Laura Sanna, Francisco Saez, Siri Simonsen, Silviu Constantin, José-Maria Calaforra, Paolo Forti, Stein-Erik Lauritzen

International Journal of Speleology

The analytical problems of dating gypsum speleothems with the U-series technique are reviewed. Gypsum speleothems are, in general, very low in U content, challenging the limits of detection methods. Various approaches to dissolving gypsum and isolation of actinides from the matrix include ion-pairing dissolution with magnesium salts and using nitric acid. The most precise dating technique is Thermal Ionization Mass Spectrometry (TIMS), combined with Fe(OH)3 scavenging and anionic exchange chromatography. Less satisfactory, but much quicker, is direct retention of actinides from HNO3 by means of TRU resin and MC-ICP-MS detection. We have tested these methods on gypsum speleothems …

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Age Frequency Distribution And Revised Stable Isotope Curves For New Zealand Speleothems: Palaeoclimatic Implications, Paul W. Williams, Helen L. Neil, Jian-Xin Zhao Jan 2010

Age Frequency Distribution And Revised Stable Isotope Curves For New Zealand Speleothems: Palaeoclimatic Implications, Paul W. Williams, Helen L. Neil, Jian-Xin Zhao

International Journal of Speleology

The occurrence of speleothems in New Zealand with reversed magnetism indicates that secondary calcite deposition in caves has occurred for more than 780 thousand years (ka). 394 uranium-series dates on 148 speleothems show that such deposition has taken place somewhere in the country with little interruption for more than 500 ka. A relative probability distribution of speleothem ages indicates that most growth occurred in mild, moist interglacial and interstadial intervals, a conclusion reinforced by comparing peaks and troughs in the distribution with time series curves of speleothem δ18O and δ13C values. The stable isotope time series …

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Pathogenic And Opportunistic Microorganisms In Caves, Valme Jurado, Leonila Laiz, Veronica Rodriguez-Nava, Patrick Boiron, Bernardo Hermosin, Sergio Sanchez-Moral, Cesareo Saiz-Jimenez Jan 2010

Pathogenic And Opportunistic Microorganisms In Caves, Valme Jurado, Leonila Laiz, Veronica Rodriguez-Nava, Patrick Boiron, Bernardo Hermosin, Sergio Sanchez-Moral, Cesareo Saiz-Jimenez

International Journal of Speleology

With today’s leisure tourism, the frequency of visits to many caves makes it necessary to know about possible potentially pathogenic microorganisms in caves, determine their reservoirs, and inform the public about the consequences of such visits. Our data reveal that caves could be a potential danger to visitors because of the presence of opportunistic microorganisms, whose existence and possible development in humans is currently unknown.

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Green Local Governments In Florida: Assessment Of Sustainability Performance, Naimish Upadhyay, Robert Brinkmann Jan 2010

Green Local Governments In Florida: Assessment Of Sustainability Performance, Naimish Upadhyay, Robert Brinkmann

School of Geosciences Faculty and Staff Publications

The sustainability performance of local governments that adopted the Florida Green Building Coalition’s Green Local Government standard was evaluated using a web-based review and survey of 26 local governments within the context of the Three Es of environment, equity, and economic development. The results indicate that while many local governments exhibit a broad commitment to sustainability as evidenced by the inclusion of sustainability in formal documents, such efforts are not present across all government functions or departments. In addition, while local issues are often addressed, interrelated sustainability goals of equity and economic development are not clearly articulated. Most local governments …

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Mined-Over Matter, Judy Mcilrath Jan 2010

Mined-Over Matter, Judy Mcilrath

School of Geosciences Faculty and Staff Publications

No abstract provided.

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Glacier (?) National Park, Judy Mcilrath Jan 2010

Glacier (?) National Park, Judy Mcilrath

School of Geosciences Faculty and Staff Publications

In this Spreadsheets Across the Curriculum activity, students examine data pertaining to the disappearing glaciers in Glacier National Park. After calculating percentage change of the number of glaciers from 1850 (150) to 1968 (50) and 2009 (26), they move on to the main glacier-monitoring content of the module--area vs. time data for the Grinnell Glacier, one of 26 glaciers that remain in the park. Using a second-order polynomial (quadratic function) fitted to the data, they extrapolate to estimate when there will be no Grinnell Glacier remaining (illustrating the relevance of the question mark in the title of the module). Introductory …

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Getting To The Point: Exploring Tectonic Motion At Point Reyes National Seashore, Judy Mcilrath Jan 2010

Getting To The Point: Exploring Tectonic Motion At Point Reyes National Seashore, Judy Mcilrath

School of Geosciences Faculty and Staff Publications

This Spreadsheets Across the Curriculum activity introduces Geology of National Parks students to the geology of the San Andreas Fault, which borders the east side of Point Reyes National Seashore. Photos in the module show the right-lateral displacement along the fault from the 1906 San Francisco earthquake, differences in vegetation and types of rocks on opposite sides of the fault, and the geomorphic expression of the fault (e.g., Tomales Bay). Students get an opportunity to determine distances by measuring map lengths, using the map scales, and converting units. Students also calculate the rate of relative motion of the Pacific Plate …

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Yellowstone! A National Park On A Hot Spot, Judy Mcilrath Jan 2010

Yellowstone! A National Park On A Hot Spot, Judy Mcilrath

School of Geosciences Faculty and Staff Publications

This Spreadsheets Across the Curriculum activity introduces Geology of National Parks students to Yellowstone National Park. The module takes a broad overview of volcanic features of the park, including the line of calderas along the up-drift hot spot trace, the mapped area of tuffs produced by their cataclysmic eruptions, and the hydrothermal features for which the park is so well known. Students calculate the rate that the North American Plate has been moving over the hot spot, the relative volume of the materials produced in the cataclysmic eruptions, their recurrence interval, and probability of eruption in any given year. The …

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Stratovolcano Growth By Co-Eruptive Intrusion: The 2008 Eruption Of Tungurahua Ecuador, J. Biggs, P. Mothes, M. Ruiz, F. Amelung, Timothy H. Dixon, S. Baker, S-H. Hong Jan 2010

Stratovolcano Growth By Co-Eruptive Intrusion: The 2008 Eruption Of Tungurahua Ecuador, J. Biggs, P. Mothes, M. Ruiz, F. Amelung, Timothy H. Dixon, S. Baker, S-H. Hong

School of Geosciences Faculty and Staff Publications

Volcanic edifices are constructed by a combination of erupted material and internal growth. We use the L-band satellite ALOS to produce InSAR measurements at Tungurahua Volcano, Ecuador. We find a maximum of 17.5 cm of uplift on the upper western flank between December 2007 and March 2008, coincident with an eruption in February 2008. The deformation can be modeled using an ellipsoidal or sill-like source within the edifice. The models require an elongated aspect ratio with a length of 4–6 km. The intruded volume of 1.2 × 106 m3 is roughly equivalent to the bulk erupted volume of …

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Do Karst Rivers “Deserve” Their Own Biotic Index? A Ten Years Study On Macrozoobenthos In Croatia, Biljana Rađa, Sanja Puljas Jan 2010

Do Karst Rivers “Deserve” Their Own Biotic Index? A Ten Years Study On Macrozoobenthos In Croatia, Biljana Rađa, Sanja Puljas

International Journal of Speleology

In this study we present the results of a ten year survey of the aquatic macroinvertebrate fauna along four karst rivers: Jadro, Žrnovnica, Grab and Ruda, all of them situated in the Middle Dalmatia region of Croatia, in an attempt to construct the Iliric Biotic Index, which will be more applicable for the water quality analysis than the most frequently applied biotic index in Croatia, the Italian Modification of Extended Biotic Index. The rivers geologically belong to the Dinaric karst, unique geological phenomena in Europe. Benthic macroinvertebrates were collected along each river at 15 sites by standard methods of sampling …

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Spatial Distribution Of Soda Straws Growth Rates Of The Coufin Cave (Vercors, France), Yves Perrette, Stéphane Jaillet Jan 2010

Spatial Distribution Of Soda Straws Growth Rates Of The Coufin Cave (Vercors, France), Yves Perrette, Stéphane Jaillet

International Journal of Speleology

The Choranche Cave system (Vercors, France) is an excellent locality for measuring the growth rates of large numbers soda straws. This is especially the case for the Coufin Cave, as enlargement of the cave entrance in 1875 led to a change in stalactite color from brown to white, thus providing a reliable chronomarker. The date of this brown-to-white calcite transition has been confirmed by lamina counting. We measured and georeferenced the growth-lengths of 306 soda straws in a 1m2 area of the roof of the Coufin Cave entrance chamber. Because of the very slow and sometimes inexistent water feeding …

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Karst Geology And Cave Fauna Of Austria: A Concise Review, Erhard Christian, Christoph Spötl Jan 2010

Karst Geology And Cave Fauna Of Austria: A Concise Review, Erhard Christian, Christoph Spötl

International Journal of Speleology

The state of cave research in Austria is outlined from the geological and zoological perspective. Geologic sections include the setting of karst regions, tectonic and palaeoclimatic control on karst, modern cave environments, and karst hydrology. A chapter on the development of Austrian biospeleology in the 20th century is followed by a survey of terrestrial underground habitats, biogeographic remarks, and an annotated selection of subterranean invertebrates.

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Modern C, O, And H Isotope Composition Of Speleothem And Dripwater From Modrič Cave, Eastern Adriatic Coast (Croatia), Maša Surić, Zvjezdana Roller-Lutz, Magda Mandić, Ines Krajcar Bronić, Mladen Juračić Jan 2010

Modern C, O, And H Isotope Composition Of Speleothem And Dripwater From Modrič Cave, Eastern Adriatic Coast (Croatia), Maša Surić, Zvjezdana Roller-Lutz, Magda Mandić, Ines Krajcar Bronić, Mladen Juračić

International Journal of Speleology

Modrič Cave is a shallow horizontal cave situated in the middle of the eastern Adriatic coast (Croatia). The cave entrance is located 120 m from the coast at an altitude of 32 m above sea level, and due to its position on the SW slope of the Dinaridic mountain range, a Mediterranean climatic influence is dominant. Due to the stable environmental conditions [(15.6 ± 0.1) °C] Modrič Cave was recognized as a potential site for detailed palaeoclimatic studies. Isotope analyses of modern carbonate speleothems, rain and dripwater were conducted in order to evaluate the isotopic equilibrium conditions. The δ18O composition …

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Measurements And Predictions Of Subsidence Induced By Soil Consolidation Using Persistent Scatterer Insar And A Hyperbolic Model, Sang-Wan Kim, Shimon Wdowinski, Timothy H. Dixon, Falk Amelung, Jeong W. Kim, Joong-Sun Won Jan 2010

Measurements And Predictions Of Subsidence Induced By Soil Consolidation Using Persistent Scatterer Insar And A Hyperbolic Model, Sang-Wan Kim, Shimon Wdowinski, Timothy H. Dixon, Falk Amelung, Jeong W. Kim, Joong-Sun Won

School of Geosciences Faculty and Staff Publications

A space-borne SAR interferometric technique is presented for measuring and predicting ground subsidence associated with soil consolidation. Instead of a conventional constant velocity model, a hyperbolic model is introduced for persistent scatterer SAR interferometry (PSI) processing. Twenty three JERS-1 SAR acquired between 1992 and 1998 were used to measure land subsidence in Mokpo city, Korea which had been primarily built on land reclaimed from the sea. Two subsidence field maps were derived and compared: a constant velocity model and a hyperbolic model. Non-linear components depending on the stage of soil consolidation are well represented by the hyperbolic model. The maximum …

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Candoluminescence Of Cave Gypsum, John R. Sweet, John W. Hess, William B. White Jan 2010

Candoluminescence Of Cave Gypsum, John R. Sweet, John W. Hess, William B. White

International Journal of Speleology

A selection of gypsum specimens from a variety of caves as well as CaSO4 synthesized in the laboratory emit both a green and yellow candoluminescence when excited by a hydrogen diffusion flame. The green emission is attributed to dehydration of gypsum to bassanite and the yellow emission appears upon further dehydration to anhydrite. The source of the luminescence is ascribed to minor concentrations of Mn2+ in the gypsum.

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Urban Speleology Applied To Groundwater And Geo-Engineering Studies: Underground Topographic Surveying Of The Ancient Arca D’Água Galleries Catchworks (Porto, Nw Portugal), H. I. Chaminé, M. J. Afonso, P. M. Robalo, P. Rodrigues, C. Cortez, F. A. Monteiro Santos, J. P. Plancha, P. E. Fonseca, A. Gomes, N. F. Devy-Vareta, J. M. Marques, M. E. Lopes, G. Fontes, A. Pires, F. Rocha Jan 2010

Urban Speleology Applied To Groundwater And Geo-Engineering Studies: Underground Topographic Surveying Of The Ancient Arca D’Água Galleries Catchworks (Porto, Nw Portugal), H. I. Chaminé, M. J. Afonso, P. M. Robalo, P. Rodrigues, C. Cortez, F. A. Monteiro Santos, J. P. Plancha, P. E. Fonseca, A. Gomes, N. F. Devy-Vareta, J. M. Marques, M. E. Lopes, G. Fontes, A. Pires, F. Rocha

International Journal of Speleology

The Porto settlement (Northwest Portugal, Iberian Peninsula) was originally built in the twelfth century and has been developed on granitic hill slopes of the Douro riverside, being one of the oldest cities in Europe. In the urban area of Porto, the second most important city of the Portuguese mainland, there is a population of about 216,000 inhabitants. This study highlights the importance of urban speleological mapping applied to groundwater and geo-engineering studies. All the water that flows from the so-called Paranhos or Arca D’Água springs is captured by catchwork galleries and their utilization date back around 1120 AD. Paranhos spring …

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Palaeomagnetic Research On Karst Sediments In Slovenia, Nadja Zupan Hajna, Andrej Mihevc, Petr Pruner, Pavel Bosàk Jan 2010

Palaeomagnetic Research On Karst Sediments In Slovenia, Nadja Zupan Hajna, Andrej Mihevc, Petr Pruner, Pavel Bosàk

International Journal of Speleology

We have conducted palaeomagnetic and magnetostratigraphic research on karst sediments in Slovenia since 1997. More than 2,000 samples were taken and analysed in 36 different profiles at 21 locations in caves and on the surface. Standard palaeomagnetic analyses were used (thermal and alternating field demagnetisation, magnetic susceptibility measurements, etc.). There is no evidence of younger marine deposition than Eocene in the SW part of Slovenia. Younger sediments occur only in caves and very rarely on the karst surface (different soils and a few remains of terrigeneous sediments). Marine and terrestrial Tertiary to Plio–Quaternary deposition occurs in the SE and E …

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A Re-Appraisal Of The Stratigraphy, Palaeontology And Dating Of Cow Cave, Chudleigh, Devon, England, Jim W. Simons Jan 2010

A Re-Appraisal Of The Stratigraphy, Palaeontology And Dating Of Cow Cave, Chudleigh, Devon, England, Jim W. Simons

International Journal of Speleology

Cow Cave is an important Quaternary paleontological site in Chudleigh Gorge, Devon, UK., now known to have a sequence of cave-earths and stalagmite floors that range in age from Upper Middle Pleistocene (~MIS 7 interglacial) through to the Holocene (Flandrian) and the present day. Excavations in 1927-1934, and again in 1962-3, have provided a rich fauna, with some artefacts. Here, the stratigraphy of the deposits is now more fully described and the faunal remains are considered in their stratigraphical contexts. Data supporting the existence of former cave entrances are presented along with an analysis of the processes of sedimentation and …

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Stability Of The Rotation Axis In High‐Resolution Mantle Circulation Models: Weak Polar Wander Despite Strong Core Heating, K. Schaber, H. -P. Bunge, B. S. A. Schuberth, Rocco Malservisi, A. Horbach Nov 2009

Stability Of The Rotation Axis In High‐Resolution Mantle Circulation Models: Weak Polar Wander Despite Strong Core Heating, K. Schaber, H. -P. Bunge, B. S. A. Schuberth, Rocco Malservisi, A. Horbach

School of Geosciences Faculty and Staff Publications

Growing evidence points to a substantial heat flow across the core‐mantle boundary (CMB), but the rotational stability of strongly bottom heated mantle flow with prominent upwelling plumes is poorly known. Here we calculate polar motion for the past 100 Myr induced in a new class of isochemical high‐resolution mantle circulation models (MCMs) with Earth‐like convective vigor and up to 12 TW core heat flux. Our MCMs include internal heating and a simple three‐layer viscosity profile associated with the lithosphere (1023 Pa s) and the upper (1021 Pa s) and the lower mantle (1023 Pa s), separated at 100 and 650 …

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Towards Mineralogical And Geochemical Reference Groups For Some Bronze Age Ceramics 
From Transylvania (Romania), Volker Hoeck, Corina Ionescu, Lucretia Ghergari, Carmen Precup Sep 2009

Towards Mineralogical And Geochemical Reference Groups For Some Bronze Age Ceramics 
From Transylvania (Romania), Volker Hoeck, Corina Ionescu, Lucretia Ghergari, Carmen Precup

Studia UBB Geologia

Based on their chemical composition ceramic shards from three Bronze Age sites in Transylvania, i.e., Copăceni, Derşida and Palatca respectively, were distinguished by major, trace, and RE elements. Within the Copăceni samples, two subgroups (A and B) showing different chemistry and mineralogy were additionally separated out. The link between chemistry and mineralogy showed clearly the important contribution of the temper to the overall chemistry of the ceramic shards. In turn, the chemistry facilitated the provenance study of the raw materials, which were collected in the vicinity of the sites. In combination with the mineralogy of the ceramics, the chemical analyses …

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Soil-Plant Relationship Of Pteropyrum Olivieri, A Serpentine Flora Of Wadh, Balochistan, Pakistan And Its Use In Mineral Prospecting, Shahid Naseem, Erum Bashir, Khaula Shireen, Sheraz Shafiq Sep 2009

Soil-Plant Relationship Of Pteropyrum Olivieri, A Serpentine Flora Of Wadh, Balochistan, Pakistan And Its Use In Mineral Prospecting, Shahid Naseem, Erum Bashir, Khaula Shireen, Sheraz Shafiq

Studia UBB Geologia

Biogeochemical investigation of Pteropyrum olivieri, a flora of Wadh area in perspective of plant-soil-rock relationship has been made. It is a native of Irano-Turanian region which extended into Saharo-Sindian region of Pakistan. The distribution of P. olivieri and some other co-ecological flora in relation to lithology was also discussed. Field observations showed its controlled population on the serpentine soil. The average abundance of Mg and Ca in soil was estimated as 2.43% and 5.46 respectively. The Mg/Ca ratio of the soils of the study area was below unity (0.445), indicating pedogenesis from serpentinite. Quantitative estimation of Cr, Ni, Co and …

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