Physical Sciences and Mathematics Commons^™

The Metamorphism And The Relationship Between Infra And Suprastructures Of The Bi̇tli̇s Massif – Turkey, Metin Şengün

Bulletin of the Mineral Research and Exploration

The infrastructure of the massive consists essentially of amphibolites, gneisses and micaschists intruded by a biotite granite and the successive hololeucocratic phase. The mantling rocks of the suprastructure comprise metapelitic rocks unconformably underlying metacarbonates dated as Middle Devonian- Mesozoic. The infra-suprastructure boundary is interpreted as a surface of transgressive overlap. The rocks of infra and suprastructure are involved in isoclinal folds with ductile deformation along most of the boundary conclusively suggesting in situ position of the suprastructure during the Alpine deformation. The shear planes are discontinous, en echelon and run independently of the infra-suprastructure boundary. A uniform sequence of Palaeozoic …

Origin And Petrology Of Ekeci̇kdağ Granitoid In Western Central Anatolian Crystalline Massif, M. Cemal Göncüoğlu, Orhan Akiman

Bulletin of the Mineral Research and Exploration

A belt formed by a number of granitoid intrusions is situated at the western part of the Central Anatolian Crystalline Massif. One of the granitoid intrusion at the southwest of the belt crops out between Aksaray and Ortaköy and is called Ekecikdağ. Ekecikdağ granitoid, which is composed of monzogranites and granodiorites. intruded both the metamorphic and ophiolitic host rocks. Ekecikdağ granitoid is differentiated into following subunits with respect to their petrographical and chemical composition: Borucu granodiorite-monzogranite, Sinandi microgranite, Hisarkaya porphyribc granite, Kalebalta teucogranite and aplite granite. All these subunits are genetically related to each other. Borucu granodiorite-monzogranite represents the main …

Two New Species Of Caprinidae From The Bayburt Area (Eastern Black Sea, Turkey), Sacit Özer, Mükerrem Fenerci̇

Bulletin of the Mineral Research and Exploration

Two new species of Caprinidae Sabinia ornata n. sp. and Mitrocaprina madeniana n. sp. have been described from the Maastrichtian sandy limestones of Maden (Bayburt) area.

Stratigraphy Of The Eastern Section Of The Pasi̇nler-Horasan (Erzurum) Region, Cevdet Bozkuş

Bulletin of the Mineral Research and Exploration

No abstract provided.

The Late Miocene Perissodactyla In Sazak (Kale-Deni̇zli̇), Tanju Kaya

Bulletin of the Mineral Research and Exploration

No abstract provided.

Grain Size Analysis Of Some Olistostromes Between Balkuyumcu And Alci (Sw Ankara), Engin Olgun, Teoman Norman

Bulletin of the Mineral Research and Exploration

Sedimentary features and the detailed grain size analyses of six olistostromes (debris flows) have been examined; they are located between Alcı and Balkuyumcu villages, 40 km. southwest of Ankara. Photograph-grid method and sieving methods are used for gram size distribution analyses. The distribution of clast sizes within olistostromes are shown as histograms and cumulative curves. After calculating the main gram size parameters, their relations with respect to each other are examined on distribution diagrams (scatter diagrams). So, some of the distinguishing characteristics of olistostrome clast size distributions have been established. Studies on the clast size distribution and clast roundness indicate …

-, Emel Bayhan, Abdurrahim Şahbaz, Sezai Görmüş

Bulletin of the Mineral Research and Exploration

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-, Bahattin Ayranci

Bulletin of the Mineral Research and Exploration

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Si̇vri̇hi̇sar'da (Eski̇şehi̇r) Sedi̇manter-Di̇yajeneti̇k Oluşumlu Yeni̇ Bi̇r Lületaşi Türü, Mefail Yeni̇yol

Bulletin of the Mineral Research and Exploration

No abstract provided.

Beypazari-Çayirhan Li̇nyi̇tleri̇ Hümi̇k Asi̇tleri̇ni̇n Ir-Spektrofotometri̇k İncelenmesi̇, Gültekin Kavuşan

Bulletin of the Mineral Research and Exploration

No abstract provided.

An Example To Sepiolite Formation In Volcanic Belts By Hydrothermal Alteration: Kibriscik (Bolu) Sepiolite Occurrence, Taner Irkeç, Taner Ünlü

Bulletin of the Mineral Research and Exploration

Geological, mineralogical and chemical properties of a sepiolite occurrence, located in the south of Kıbrıscık township of Bolu Province, north central Turkey, have been investigated in detail, and new mineralogical data have been obtained. Differing from the sedimentary sepiolite deposits, mostly associated with the carbonate/evaporite sequences, Kıbrıscık sepiolite occurs in the Köroğlu (Gallatian) Volcanic Belt and has formed by the hydrothermal alteration of the vitric tuff unit of Middle Miocene aged Deveören Volcanites. The mineral, which shows a similar XRD pattern to sepiolite, gives DTA and IR patterns with close resemblance to those of palygorskite, in addition to its chemical …

Managing Bushland On The Farm, Penny Hussey

Journal of the Department of Agriculture, Western Australia, Series 4

Since the time of European settlement in Western Australia, the replacement of native vegetation with crops and pastures has led to problems for both agricultural production and nature conservation. The most obvious of these are hydrological changes leading to salinisation and waterlogging, and the extinction of some native plants and animals.

Protection of remaining remnants of native bushland, together with revegetation, is increasingly seen as important ways of achieving sustainable agriculture and maintaining our unique wildlife.

Soil Sampling Made Easier, Mike Bolland, Mike Baker

Journal of the Department of Agriculture, Western Australia, Series 4

A new rotary blade soil sampler has taken the hard work out of collecting soil samples from Western Australia's hard-setting soils to test for soil phosphorus levels .

Conceived and developed by Department of Agriculture technical officer Mike Baker, it should enable soil testing to be more widely adopted. Fortunately, the soil calibration tests that were developed using pogo samples can also be used for the new sampler.

Improving Sustainable Production From Water Repellent Sands, Paul Blackwell

Journal of the Department of Agriculture, Western Australia, Series 4

The agricultural management of water repellent ( non-wetting) sands is difficult, and production from them is mostly low. However, there are ways to make them more productive.

Furrow sowing and the incorporation of dispersive clay are two likely methods to make these soils easier to manage, more productive and more profitable than they are now.

This article discusses several aspects of our research on water repellent sands. In addition, some of the costs and benefits of alternative management strategies are outlined.

Establishment Of Lupin Seedlings, Miles Dracup

Journal of the Department of Agriculture, Western Australia, Series 4

Good seedbed conditions lead to high and rapid seedling emergence and vigorous seedlings best equipped to avoid disease, weed competition and sand-blasting. Good establishment is needed for a high yielding crop.

In Western Australia, seedbed moisture and temperature are most likely to limit successful emergence of lupins, especially with the trend toward early sowing.

Research by the Department of Agriculture is helping to define seedbed temperature and moisture requirements for successful lupin establishment that will help future research for improving seedbed conditions.

The Second Occurrence Of The Troglobic Shrimp Macrobrachium Microps Holthuis (Crustacea, Decapoda, Palaemonidae), In Samoa, Alexander J. Bruce, Thomas M. Iliffe

International Journal of Speleology

A single example of Macrobrachium from an anchialine lava tube un Upolu, Samoa, is described and illustrated. The specimen is referred to M. microps Holthuis, 1978, but shows some differences that may be of specific value, which are discussed. The troglobic species of Macrobrachium are reviewed.

Comparative Performances Of Non-Visual Food Search In The Hypogean Cyprinid Phreatichthys Andruzzii And In The Epigean Relative Barbus Filamentosus, Roberto Berti, Luca Masciarelli

International Journal of Speleology

The anophthalmic hypogean cyprinid Phreatichthys andruzzii Vinciguerra shows a more efficient food searching behaviour than blinded specimens of the epigean species Barbus filamentosus Cuvier and Valenciennes. This difference seems to be related to a tendency to swim near the bottom of the aquarium and the behavioural stereotypes in food localization and intake. Both in P. andruzzii and in the blinded B. filamentosus food search is guided by chemical stimulation. Other data indicate that mechanical stimulation could play an important role in the feeding behaviour of the hypogean form. The behavioural analogies in food localization between P. andruzzii and the cave …

Habitat Use And Gas Bubble Disease In Southern Cavefish (Typhlichthys Subterraneus), Alex L. S. Schubert, Carl D. Nielsen, Douglas B. Noltie

International Journal of Speleology

In situ observations of habitat use by southern cavefish (Typhlichthys subterraneus) in a Missouri, U.S.A. spring suggest that groundwater discharge and that zones of substrate which have large interstitial spaces that fish can enter may be important components of the species habitat. Such substrates may also facilitate smallscale dispersal. In addition, we document the first recorded case of gas bubble disease in a laboratory-held specimen of this species. Cavefish may be particularly susceptible to this malady, and the conditions under which it occurred are important to avoid should captive maintenance or propagation of this or related species be …

Sinkhole Excavations In Peccary Cave, Newton County, Arkansas, Kenneth M. Ball, Leo Carson Davis

Journal of the Arkansas Academy of Science

No abstract provided.

Controlling Wind Erosion In Field Pea Stubbles, Jeff Russell

Journal of the Department of Agriculture, Western Australia, Series 4

The area sown to field peas in Western Australia's eastern wheatbelt has increased from 4000 ha in 1985 to about 35, 000 ha in 1992.

While field peas can be grown on soil types not suited to lupins, their stubble is highly fragile and prone to wind erosion, even at low grazing pressure. This is one reason why some farmers are hesitant to grow field peas.

Haroest losses of field peas can also be high; levels of JOO to 200 kg/ha of seed on the ground are not uncommon. For this reason farmers believe the stubbles should be grazed.

Farmers …

Harpacticoida (Crustacea, Copepoda) From Subterranean Waters Of Bue Marino Cave, Sardinia, And St. Barthélémy Cave, Corsica, And Description Of Three New Species, Vezio Cottarelli, Maria Cristina Bruno

International Journal of Speleology

Three new species of harpacticoid copepods are described and discussed. Nitocrella beatricis n. sp. has been collected in different hyporheic sites in Sardinia and in two caves (Bue Marino cave in Sardinia and St. Barthélémy cave in Corsica); Elaphoidella janas n. sp. and Parastenocaris triphyda n. sp. have been collected only in Bue Marino cave. Some considerations concerning the ecology and biogeography of the three species are also presented.

The Cricket Fauna Of Chiapanecan Caves (Mexico): Systematics, Phylogeny And The Evolution Of Troglobitic Life (Orthoptera, Grylloidea, Phalangopsidae, Luzarinae), Laure Desutter-Grandcolas

International Journal of Speleology

The present study deals with the cavernicolous Grylloidea of Chiapas. It details the composition of this fauna, which belongs exclusively to the Phalangopsid group Amphiacustae, and considers its troglobitic evolution in the methodological framework of Comparative Biology. This method consists in analysing the evolution of biological features in reference to phylogeny, using character state optimization. The material studied comes mostly from Italian biospeological expeditions, but also from the authors work in Mexico, from North American biospeological expeditions achieved in Central America and the West Indies, and from the collections of the Academy of Natural Sciences of Philadelphia, the Museum National …