Provenance of ArenitesG.G. Zuffa 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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Page 70
G.G. Zuffa. These system display a variety of facies types and facies associations that are often difficult to frame within the general depositional models for turbidite sediments ( e.g. , Normark , 1970 ; Mutti and Ricci Lucchi , 1972 ...
G.G. Zuffa. These system display a variety of facies types and facies associations that are often difficult to frame within the general depositional models for turbidite sediments ( e.g. , Normark , 1970 ; Mutti and Ricci Lucchi , 1972 ...
Page 88
... facies eventually grade peripherally into thinner bedded fringe sediments ; however , considerable pro- portions of the thin - bedded facies which are vertically associated with the sandstone lobes cannot be explained in the same way ...
... facies eventually grade peripherally into thinner bedded fringe sediments ; however , considerable pro- portions of the thin - bedded facies which are vertically associated with the sandstone lobes cannot be explained in the same way ...
Page 91
... facies and sea - level variations in the Eocene Hecho Group , South Central Pyrenees , Spain : Abstracts of the 5th ... facies : Memorie Società Geologica Italiana , v . 11 , p . 161-199 . Mutti , E. , and Ricci Lucchi , F. , 1975 ...
... facies and sea - level variations in the Eocene Hecho Group , South Central Pyrenees , Spain : Abstracts of the 5th ... facies : Memorie Società Geologica Italiana , v . 11 , p . 161-199 . Mutti , E. , and Ricci Lucchi , F. , 1975 ...
Contents
INFLUENCE OF TRANSPORT PROCESSES AND BASIN GEOMETRY ON SAND | 19 |
LOCAL MORPHOLOGIC CONTROLS AND EFFECTS OF BASIN GEOMETRY | 47 |
TURBIDITE SYSTEMS AND THEIR RELATIONS TO DEPOSITIONAL | 67 |
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albitization America Bull arenites arkosic authigenic Basu calcite carbonate cathodoluminescence channel channel-fill chemical chert clastic clasts clay climate Cratonic Cretaceous crystals deep-sea depositional depth detrital detrital modes detrital quartz diagenesis diagenetic Dickinson dissolution electron environments Eocene epidote extrabasinal facies feldspar Figure flows fluvial flysch Formation garnet Geol Geology glaucony green grains heavy minerals hydraulic indicate interpretation intrabasinal Jour K-feldspar Krinsley magmatic arcs marine berthierine metamorphic rocks monocrystalline quartz Monterey Fan Mutti Normark Odin origin orogenic parent rocks particles petrofacies petrographic Petrology plagioclase Plate plutonic polycrystalline pores porosity processes provenance quartz quartz grains quartzose ratios recycled orogenic result Ricci Lucchi rock fragments samples sand grains sands derived sandstones sea level secondary porosity sedimentary Sedimentology sediments sequences slope source area source rocks stage submarine fans substrate Suczek Suttner terrigenous tion transport turbidite turbidite systems turbidity currents types undulosity uplift Valloni volcanic weathering Zinkernagel zone Zuffa