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Articles 31 - 60 of 138
Full-Text Articles in Entire DC Network
Paleocene "Flysch-Type" Agglutinated Foraminifera From The Northern Part Of The Eastern Carpathians (Romania), Raluca Bindiu-Haitonic, Sorin Filipescu
Paleocene "Flysch-Type" Agglutinated Foraminifera From The Northern Part Of The Eastern Carpathians (Romania), Raluca Bindiu-Haitonic, Sorin Filipescu
Studia UBB Geologia
Representative assemblages of agglutinated foraminifera from the Paleocene deposits of the Suha outcrop in the Tarcău Nappe (Eastern Carpathians, Romania) were analyzed using diversity indices, morphogroups and foraminiferal biofacies in order to describe the paleoenvironmental and palaeobathymetrical conditions of the studied area. The results suggest bathyal environments, close to the Carbonate Compensation Depth (CCD) and a flysch type biofacies. The assemblages are dominated by coarsely agglutinated flysch-type taxa: tubular (Nothia, Rhizammina, Rhabdammina), globular (Saccammina), flattened planispiral and streptospiral (Rzehakina) and flattened streptospiral forms (Paratrochamminoides and Trochamminoides). The agglutinated foraminifera morphogroups display variations …
The Role Of Porous Matrix In Water Flow Regulation Within A Karst Unsaturated Zone: An Integrated Hydrogeophysical Approach, Simon D. Carrière, Konstantinos Chalikakis, Charles Danquigny
The Role Of Porous Matrix In Water Flow Regulation Within A Karst Unsaturated Zone: An Integrated Hydrogeophysical Approach, Simon D. Carrière, Konstantinos Chalikakis, Charles Danquigny
KIP Articles
Some portions of the porous rock matrix in the karst unsaturated zone (UZ) can contain large volumes of water and play a major role in water flow regulation. The essential results are presented of a local-scale study conducted in 2011 and 2012 above the Low Noise Underground Laboratory (LSBB – Laboratoire Souterrain à Bas Bruit) at Rustrel, southeastern France. Previous research revealed the geological structure and water-related features of the study site and illustrated the feasibility of specific hydrogeophysical measurements. In this study, the focus is on hydrodynamics at the seasonal and event timescales. Magnetic resonance sounding (MRS) measured a …
Apparent Glacially Induced Structural Controls On Limestone Conduit Development In Ohio Caverns, United States, Adrienne M. Watts, Ira D. Sasowsky
Apparent Glacially Induced Structural Controls On Limestone Conduit Development In Ohio Caverns, United States, Adrienne M. Watts, Ira D. Sasowsky
International Journal of Speleology
Rock discontinuities such as bedding planes and joints are important controls on the form that caves take. We examined structural controls on the development of Ohio Caverns. The cave formed in Devonian limestone underlying a small bedrock knob (Mt. Tabor) within the Interior Lowland province, United States. The area has been overridden by continental glaciation multiple times. The bedrock is pervasively fractured, with many curved and wavy near-vertical fractures showing many different orientations. In the case of Ohio Caverns, it appears that the controlling fractures in map view may not be joints sensu stricto, but rather some combination of …
Analysis Of Site Formation And Assemblage Integrity Does Not Support Attribution Of The Uluzzian To Modern Humans At Grotta Del Cavallo, J. Zilhão, W. E. Banks, Francesco D’Errico
Analysis Of Site Formation And Assemblage Integrity Does Not Support Attribution Of The Uluzzian To Modern Humans At Grotta Del Cavallo, J. Zilhão, W. E. Banks, Francesco D’Errico
KIP Articles
Based on the morphology of two deciduous molars and radiocarbon ages from layers D and E of the Grotta del Cavallo (Lecce, Italy), assigned to the Uluzzian, it has been proposed that modern humans were the makers of this Early Upper Paleolithic culture and that this finding considerably weakens the case for an independent emergence of symbolism among western European Neandertals. Reappraisal of the new dating evidence, of the finds curated in the Taranto Antiquities depot, and of coeval publications detailing the site’s 1963–66 excavations shows that (a) Protoaurignacian, Aurignacian and Early Epigravettian lithics exist in the assemblages from layers …
Structural And Hydrological Controls On The Development Of A River Cave In Marble (Tapagem Cave - Se Brazil), William Sallun Filho, Bruna Medeiros Cordeiro, Ivo Karmann
Structural And Hydrological Controls On The Development Of A River Cave In Marble (Tapagem Cave - Se Brazil), William Sallun Filho, Bruna Medeiros Cordeiro, Ivo Karmann
International Journal of Speleology
Tapagem Cave (or Devil’s Cave) is a river cave developed in the dolomite marble karst of the Serra do André Lopes (State of São Paulo, southeastern Brazil). Although this region is a plateau with significant variation in elevation and a humid subtropical climate, the cave is an anomalous feature in the André Lopes karst because there are few other caves. The marble, which is in a synclinal structure with subjacent phyllites, is a karst aquifer perched above the regional base level (Ribeira River) and has little allogenic recharge. The cave developed on a secondary anticline on the northwest flank of …
Schellenberger Ice Cave (Germany): A Conceptual Model Of Temperature And Airflow, Christiane Meyer Cm, Andreas Pflitsch Ap, David Holmgren Dh, Valter Maggi Vm
Schellenberger Ice Cave (Germany): A Conceptual Model Of Temperature And Airflow, Christiane Meyer Cm, Andreas Pflitsch Ap, David Holmgren Dh, Valter Maggi Vm
The International Workshop on Ice Caves
In this paper the primarily results of air temperature measurements from 2007 to 2013 are presented. The focus lies on the climatic description of the thermal conditions of the different ice cave parts and the related conceptual model of the airflow regime. The data will also show seasonal aspects of air temperature caused by the specific winter versus summer conditions. This basic data are the beginning for an interdisciplinary research project, which focuses on the microclimatological and glaciological processes and dynamics of the cave.
Journal Of Cave And Karst Studies, Volume 76, No. 2, August 2014, Malcolm S. Field
Journal Of Cave And Karst Studies, Volume 76, No. 2, August 2014, Malcolm S. Field
KIP Articles
Contents: Karst Evolution of the Garraf Massif (Barcelona, Spain): Doline Formation, Chronology and Archaeopalaeontological Archives -- Biogenicity and Characterization of Moonmilk in the Grotta Nera (Majella National Park, Abruzzi, Central Italy) -- Adaptations of Indigenous Bacteria to Fuel Contamination in Karst Aquifers in South-Central Kentucky -- Aerosolized Microbes from Organic Rich Materials: Case Study of Bat Guano from Caves in Romania -- Glacial Lake Schoharie: An Investigative Study of Glaciolacustrine Lithofacies in Caves, Helderberg Plateau, Central NEw York -- Diet Analysis of Leopoldamys Nelli, A Cave-Dwelling Rodent in Southeast Asia, Using Next-Generation Sequencing from Feces -- Microclimate Effects on …
Proceedings Of Balkan Speleological Conference “Sofia’2014”, Sofia, Bulgaria, 28 – 30 March 2014 Balkan Speleological Conference Сборник С Материали От Балканска Спелеоложка Конференция „София’2014“ София, България, 28 – 30 Март 2014, Balkin Speleological Conference
Proceedings Of Balkan Speleological Conference “Sofia’2014”, Sofia, Bulgaria, 28 – 30 March 2014 Balkan Speleological Conference Сборник С Материали От Балканска Спелеоложка Конференция „София’2014“ София, България, 28 – 30 Март 2014, Balkin Speleological Conference
KIP Talks and Conferences
Съдържание Contents Предговор Preface История На Спелеологията И Изследването На Карста History Of Speleology And Exploration Of Karst The History Of Speleological Progress In Turkey - Selçuk Canbek, Meltem Pancarcı Historical Overview Of "Chionotrypa" Ice Cave exploration (Mt. Falakro, Macedonia, Greece) - Lampros Makrostergios Премиерно Проучване На Пещерите На Света Гора - Алексей Жалов Speleological Bibliography Of Turkey - Bulent Erdem Изследване На Карста И Пещерите. Методи За Пещерни Проучвания Karst And Cave Studies. Methods Of Cave Exploration Geology And Morphology Of The Chionotrypa Cave (Falakro Mt, Macedonia, Greece) - Georgios LazaridisLambros Makrostergios Djin Fu Dong In Tenchong - The …
A New Bathymetric Compilation For The South Orkney Islands Region, Antarctic Peninsula (49°–39°W To 64°–59°S): Insights Into The Glacial Development Of The Continental Shelf, William A. Dickens, Alastair G. C. Graham, James A. Smith, Julian A. Dowdeswell, Robert D. Larter, Claus-Dieter Hillenbrand, Phil N. Trathan, Jan Erik Arndt, Gerhard Kuhn
A New Bathymetric Compilation For The South Orkney Islands Region, Antarctic Peninsula (49°–39°W To 64°–59°S): Insights Into The Glacial Development Of The Continental Shelf, William A. Dickens, Alastair G. C. Graham, James A. Smith, Julian A. Dowdeswell, Robert D. Larter, Claus-Dieter Hillenbrand, Phil N. Trathan, Jan Erik Arndt, Gerhard Kuhn
Marine Science Faculty Publications
We present a new, high resolution (300 m) bathymetric grid of the continental shelf surrounding the South Orkney Islands, northeast of the Antarctic Peninsula. The new grid, derived from a compilation of marine echo-sounding data, improves previous regional bathymetric representations and helps to visualize the morphology of the shelf in unrivalled detail. The compilation forms important baseline information for a range of scientific applications and end users including oceanographers, glacial modelers, biologists, and geologists. In particular, due to the limited understanding of glacial history in this region, the bathymetry provides the first detailed insights into past glacial regimes. The continental …
Cave Talk, December 2013, Robert A. Holt
Cave Talk, December 2013, Robert A. Holt
Cave Talk
Contents: Message from the President -- New Little Caver in California -- Ruby Falls Recognized for Sustainable Tourism Efforts By Southeast Tourism Society -- Retail Committee - Year End Review -- Congratulations to the Wuest Family -- 'Halloween Hall' at Carlsbad Caverns Is the Biggest Area Discovered in More Than 25 Years -- White Nose Syndrome Report -- NCA Insurance Column -- Minnesota Man's Cave Collection Is His Hobby, Passion -- from Deep Down in the Archives Timeline ?
Paleohydrology And The Origin Of Jewel Cave, Mike Wiles
Paleohydrology And The Origin Of Jewel Cave, Mike Wiles
National Cave and Karst Management Symposium 2013
With more than 267 m (166 miles) of mapped cave passages, Jewel Cave is the third longest cave in the world. The passages are beneath an area of 775 ha (3 mi2), located almost entirely within the Hell Canyon drainage basin. The canyon itself is situated in the bottom of a south-plunging syncline and most of the cave passages are located within the east limb. A down-dip cross section shows the cave passages assuming the shape of an elongate lens, located just below the Pahasapa/Minnelusa contact. The lower boundary is a maximum of 75 m (250 feet) below …
Paleohydrology And The Origin Of Jewel Cave, National Cave And Karst Research Institute
Paleohydrology And The Origin Of Jewel Cave, National Cave And Karst Research Institute
KIP Articles
No abstract provided.
Bioerosive Structures In Orbitolinid Foraminifera: Examples From The Lower Cretaceous Of Central Iran, Felix Schlagintweit, Ioan I. Bucur, Koorosh Rashidi, Behnam Saberzadeh
Bioerosive Structures In Orbitolinid Foraminifera: Examples From The Lower Cretaceous Of Central Iran, Felix Schlagintweit, Ioan I. Bucur, Koorosh Rashidi, Behnam Saberzadeh
Studia UBB Geologia
Lower Cretaceous orbitolinid assemblages from Central Iran yield various bioerosional structures. The omnipresent traces of different boring taxa and groups (e.g., sponges, calcimicrobes, incertae sedis) represent a characteristic feature of the investigated thin-section material. The assemblage can be attributed to the Entobia ichnofacies dominated by borings assigned to the activity of sponges. The boring galleries are often concentrated in a plane parallel to the test surface, along the boundary of the marginal and the central zone of the orbitolinid tests. The borings are observed in foraminiferan-dasycladalean wackestones to poorly washed-out packstones, which can be referred to a subtidal …
Forty Years Of Epikarst: What Biology Have We Learned?, Tanja Pipan, David Culver
Forty Years Of Epikarst: What Biology Have We Learned?, Tanja Pipan, David Culver
International Journal of Speleology
Epikarst is not only an important component of the hydrogeology of karst and an active site of speleogenesis, it is habitat for a number of species adapted to subterranean life. Water in epikarst, with a residence time of days to months, is a highly heterogeneous habitat, and the animals are primarily sampled from continuously sampling dripping water or collecting from residual drip pools. While the subterranean fauna of cracks and crevices has been known for over 100 years, it is only in the past several decades that epikarst has been recognized as a distinct habitat, with reproducing populations of stygobionts. …
Evaluating Karst Risk At Proposed Windpower Projects, William J. Bangsund, Kenneth S. Johnson
Evaluating Karst Risk At Proposed Windpower Projects, William J. Bangsund, Kenneth S. Johnson
Sinkhole Conference 2013
pg(s) 27-36
Evaporite Karst In The Black Hills, South Dakota And Wyoming, And The Oil Play In The Williston Basin, North Dakota And Montana, Jack B. Epstein, Daniel H. Doctor
Evaporite Karst In The Black Hills, South Dakota And Wyoming, And The Oil Play In The Williston Basin, North Dakota And Montana, Jack B. Epstein, Daniel H. Doctor
Sinkhole Conference 2013
pg(s) 161-175
Lessons Learned From Occurrence Of Sinkholes Related To Man-Made Cavities In A Town Of Southern Italy Nckri Symposium 2: Proceedings Of The Thirteenth Multidisciplinary Conference On Sinkholes And The Engineering And Environmental Impacts Of Karst, Pietro Pepe, Nunzia Pentimone, Giuditta Garziano
Lessons Learned From Occurrence Of Sinkholes Related To Man-Made Cavities In A Town Of Southern Italy Nckri Symposium 2: Proceedings Of The Thirteenth Multidisciplinary Conference On Sinkholes And The Engineering And Environmental Impacts Of Karst, Pietro Pepe, Nunzia Pentimone, Giuditta Garziano
KIP Talks and Conferences
pg(s) 393-401 The presence of man-made cavities below the historical parts of towns is a common feature in large portions of Italy. Different typologies of anthropogenic cavities have been excavated in different epochs for many purposes, including research and collection of potable water, establishment of underground working sites for olive oil production, worship sites, etc. Underground quarries are probably the most diffuse typology of subterranean cavities, especially the largest ones. Originally located at the outskirts of towns, quarries are increasingly found in built up areas due to urban expansion that has characterized the last century. This paper describes the recent …
Evaluating Karst Risk At Proposed Windpower Projects Nckri Symposium 2: Proceedings Of The Thirteenth Multidisciplinary Conference On Sinkholes And The Engineering And Environmental Impacts Of Karst, William J. Bangsund, Kenneth S. Johnson
Evaluating Karst Risk At Proposed Windpower Projects Nckri Symposium 2: Proceedings Of The Thirteenth Multidisciplinary Conference On Sinkholes And The Engineering And Environmental Impacts Of Karst, William J. Bangsund, Kenneth S. Johnson
KIP Talks and Conferences
pg(s) 27-36 Karst can cause a litany of problems for a windpower project, and it is good practice to evaluate karst risk before proceeding with a proposed project. Windpower projects involve widely-spaced structures with small footprints that can cost $2 million to $5 million each. Financial viability can prove difficult, so it is important to find useful, inexpensive procedures for evaluating karst risk. The karst-risk-review process we have used can be split into the two categories outlined below. Desktop studies: * Search for relevant literature * Review aerial-photo and map, and analyze lineament * Search for existing well and boring …
Evaporite Karst In The Black Hills, South Dakota And Wyoming, And The Oil Play In The Williston Basin, North Dakota And Montana Nckri Symposium 2: Proceedings Of The Thirteenth Multidisciplinary Conference On Sinkholes And The Engineering And Environmental Impacts Of Karst, Jack B. Epstein, Daniel H. Doctor
Evaporite Karst In The Black Hills, South Dakota And Wyoming, And The Oil Play In The Williston Basin, North Dakota And Montana Nckri Symposium 2: Proceedings Of The Thirteenth Multidisciplinary Conference On Sinkholes And The Engineering And Environmental Impacts Of Karst, Jack B. Epstein, Daniel H. Doctor
KIP Talks and Conferences
pg(s) 161-175 Subsurface red beds of the Permo-Triassic age Spearfish Formation in the Williston Basin has recently been touted as "another Bakken Oil Boom for North Dakota". The senior author, totally uninformed about the subsurface geology of North Dakota, was requested by INFOCAST* to discuss petroleum potential in the Spearfish based on his field experience in the outcrop belt of the Black Hills in neighboring Wyoming and South Dakota. That request was extended to a discussion of the surface and subsurface evaporite-karst features in four formations ranging from Pennsylvanian to Jurassic age. Dissolution of these rocks, which has resulted in …
Lessons Learned From Occurrence Of Sinkholes Related To Man-Made Cavities In A Town Of Southern Italy, Pietro Pepe, Nunzia Pentimone, Giuditta Garziano, Vincenzo Martimucci, Mario Parise
Lessons Learned From Occurrence Of Sinkholes Related To Man-Made Cavities In A Town Of Southern Italy, Pietro Pepe, Nunzia Pentimone, Giuditta Garziano, Vincenzo Martimucci, Mario Parise
Sinkhole Conference 2013
pg(s) 393-401
Preliminary Geochemical Assessment Of Limestone Resources And Stone Use At Maya Sites In The Three Rivers Region, Belize
KIP Articles
No abstract provided.
Eocene-Oligocene Calcareous Nannofossils From Huedin Area, Between Hodis And Tetis (Transylvania, Romania): Biostratigraphy And Paleoecological Data, Carmen Chira, Alin Igrițan
Eocene-Oligocene Calcareous Nannofossils From Huedin Area, Between Hodis And Tetis (Transylvania, Romania): Biostratigraphy And Paleoecological Data, Carmen Chira, Alin Igrițan
Studia UBB Geologia
Eocene - Oligocene deposits from Huedin area, between the localities Hodiş and Tetiş, of the Transylvanian Basin, have been analysed. The assemblages of calcareous nannofossils are rich in the Brebi and Mera formations and relatively scarce in almost all other formations.
The Mesozoic Carbonate Deposits From The Borehole 6042 Deleni (Transylvanian Depression), Ioan I. Bucur, Marcel-Adrian Piteiu, Emanoil SăSăRan
The Mesozoic Carbonate Deposits From The Borehole 6042 Deleni (Transylvanian Depression), Ioan I. Bucur, Marcel-Adrian Piteiu, Emanoil SăSăRan
Studia UBB Geologia
The borehole 6042 Deleni is among the few wells located in the central part of the Transylvanian Depression that crossed the rocks in the basement. Among these, the Mesozoic deposits were cross-cut along 916 m. Based on the investigations carried out on core samples from the Mesozoic deposits three carbonate units attributed to the Late Oxfordian -Tithonian (?Neocomian) have been separated. A preliminary evaluation of the terrigenous and carbonate-terrigenous deposits overlaying the carbonate ones indicated an Aptian-Albian, respectively Senonian age. Considerations on the paleoenvironment of the Mesozoic deposits studied are also presented.
Microfacies Of The Triassic Limestones In The Piatra Soimului Klippe (Transylvanian Nappes Rarau Syncline, Eastern Carpathians, Romania), Daniela Popescu, Liviu Popescu
Microfacies Of The Triassic Limestones In The Piatra Soimului Klippe (Transylvanian Nappes Rarau Syncline, Eastern Carpathians, Romania), Daniela Popescu, Liviu Popescu
Studia UBB Geologia
The Piatra Şoimului klippe belongs to the allochtonous sedimentary succession of the Transylvanian Nappes in the Rarău Syncline. It is situated on the western flank of the syncline over the Callovian – Oxfordian jaspers. The identified micropaleotologic association consists of dasycladales, foraminifera, sphynctozoa, echinoderms, etc. which indicate Pelsonian–Norian age. The microfacies of these limestones demonstrate the origin of Piatra Şoimului klippe from a previously carbonate platform situated to the west of the Bucovinian sedimentary domain. The correlation between the allochemic and ortochemic components described in the numerous microfacies types proves that the Triassic sedimentation took place in an internal platform …
The Miocene Calcareous Nannofossils From Bistriţa Area (Transylvania, Romania), Carmen Chira, Ana-Maria Vulc
The Miocene Calcareous Nannofossils From Bistriţa Area (Transylvania, Romania), Carmen Chira, Ana-Maria Vulc
Studia UBB Geologia
The Middle Miocene (Badenian, Sarmatian and Pannonian) deposits from the region of Bistriţa, between the localities: Susenii Bârgăului, Livezile, Bistriţa, Sărata, Sărăţel, Budacu de Sus (Transylvanian Basin) have been analysed from the nannofloral point of view. The nannofossils are relatively scarce, excepting the ones related to Lower Badenian deposits. Only the fossil index for NN5 Zone – Sphenolithus heteromorphus, and for NN6 Zone – Discoaster exilis have been identified.
A Study On The Geology Of The Ţaga Region (Cluj District), Ioan MâRza
A Study On The Geology Of The Ţaga Region (Cluj District), Ioan MâRza
Studia UBB Geologia
The geological formations from Ţaga area (Cluj District) are Sarmatian in age (in outcrops) and Badenian (under surface). Lithologically, they are represented mainly by sands and sometimes fine sediments (clays, marls), interbedded with volcanic tuffs a low fossil content. The Badenian is the host of gas accumulations, concentrated in dome structures.
Microbial Structures And Microencrusters In The Upper Jurassic - Lower Cretaceous Deposits From Buila-Vânturariţa Massif (South Carpathians), Andreea Ut̡A, Ioan I. Bucur
Microbial Structures And Microencrusters In The Upper Jurassic - Lower Cretaceous Deposits From Buila-Vânturariţa Massif (South Carpathians), Andreea Ut̡A, Ioan I. Bucur
Studia UBB Geologia
The Upper Jurassic – Lower Cretaceous limestones from Buila-Vânturariţa massif partly consisting of reef build-ups, are characterised by an important component of microbial organisms. This paper describes and illustrates some of the most important structures interpreted as having a microbial nature: “Tubiphytes” and Bacinella-type structures, cyanobacterial structures, micritic crusts, and peloidal structures. Most of these structures are related to different shallow-water environments, from intertidal, high-energy environment, to protected low energy subtidal environment.
Arenite Concretions With Axial Channel From The Badenian Deposits Of Cheia (Turda) - A New Type Of Concretions, Ioan Mârza, Ciprian Constantina, Horea PâRlea
Arenite Concretions With Axial Channel From The Badenian Deposits Of Cheia (Turda) - A New Type Of Concretions, Ioan Mârza, Ciprian Constantina, Horea PâRlea
Studia UBB Geologia
The paper introduces a new type of arenite concretions (max. 40-50 cm in diameter). Spheroidal concretions with an axial cylindrical channel (1-6 cm in diameter) resulted from the levigation of the concretion centre consisting of soft fusiform clasts with a clayey-carbonate composition. The concretions are hosted by a level of Badenian sandstones and microconglomerates (about 10-m thick) which occur in the place called “Groapa cu Piersici” (Cheia, Turda).
The Spatial Extension And The Age Of The Tomnatec Formation In Audia Nappe, Liviu Ionesi, Florin Florea
The Spatial Extension And The Age Of The Tomnatec Formation In Audia Nappe, Liviu Ionesi, Florin Florea
Studia UBB Geologia
No abstract provided.