Provenance of Arenites
Italy) NATO Advanced Study Institute on Reading Provenance from Arenites (1984 : Cosenza, Nato Advanced Study Institute
Springer Netherlands, Mar 31, 1985 - Science - 408 pages
Gian Gaspare Zuffa Dipartimento di Scienze della Terra Universitä della Calabria 87030 Castiglione Cosentino Stazione, Cosenza, ITALY The tradition has been to consider Sedimentology and Sedimen tary Petrology as quite separate areas of research. It is however impossible to arrive at an optimal description of sedimentary rocks without integrating the two fields since sedimentary processes and compositional aspects are strongly intertwined. The study of arenites is of particular importance in obtaining paleogeographic and paleotectonic reconstructions aimed at deter mining the geodynamics of the earth's crust. It also has important implications in exploration for and exploitation of hydrocarbons. At the NATO ASI Meeting on Reading Provenance from Arenites held in Calabria (Italy), June 3-ll, 1984, field sedimentologists and sedimentary petrologists were given opportunity to pool their resources in order to obtain better analyses of both source areas and depositional basins. The papers collected in this volume represent an edited ver sion of the lectures given and provide a comprehensive picture of the present state of the art since they include such important top ics as: l) the climate and relief of the source areas, 2) mechani cal transport of sediments and depositional processes, 3) postdep ositional processes, and 4) the methodology adopted for petrogra phic optical analyses. Particular attention has been paid to the limitations and errors introduced into paleogeographic and paleo tectonic reconstructions by incomplete and incorrect data.
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INFLUENCE OF TRANSPORT PROCESSES AND BASIN GEOMETRY ON SAND
LOCAL MORPHOLOGIC CONTROLS AND EFFECTS OF BASIN GEOMETRY
TURBIDITE SYSTEMS AND THEIR RELATIONS TO DEPOSITIONAL
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abundance active albitization alteration analysis appear arenites associated basin Bull carbonate channel chemical clay climate common composition continental crystals depositional depth derived determined detrital developed diagenetic Dickinson dissolution effects electron environments et al example facies feldspar Figure flows Formation Geol Geology glaucony green heavy minerals important increase indicate interpretation Italy Jour K-feldspar less lithic lobes lower luminescence marine mechanical metamorphic method minerals modified observed occur origin orogenic particles patterns Petrology plagioclase Plate Pleistocene plutonic pores porosity possible present processes produced provenance quartz grains ratios relative replacement result rock fragments samples sand sandstones sea level secondary sedimentary sediments sequences setting slope stage structural substrate suites surface Table tectonic textures tion transport turbidite turbidity currents types upper volcanic volcaniclastic volume weathering zone Zuffa