The geology of the Guiana shield
著者
書誌事項
The geology of the Guiana shield
（Oxford monographs on geology and geophysics, no. 22）
Oxford University Press , Clarendon Press, 1993
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内容説明・目次
内容説明
The Guiana Shield is an area of special importance, especially to those concerned with Precambrian geology, as it provides a perspective on a part of earth history not well represented elsewhere. It is also concerns economic geologists as its mineral resource potential is barely recognized. This overview will improve the knowledge of geologists already working in the area, draw attention to the need for mineral exploration research, and encourage the inclusion of the Shield in future Precambrian studies.
目次
1: Introduction. Part I: Archaen and Lower Proterozoic Supracrustals. 2: Granulites and other high grade rocks. 3: Greenstone belts. 4: Five non-greenstone supracrustal groups (coeroni, kwitaro, cauarane, parima, and rosebel groups). Part II: Trans-Amazonian Tectonothermal Episode. 5: Metamorphised basic and ultrabasic rocks. 6: Granitoid rocks associated with the Trans-Amazonian tectonothermal episode. Part III: Middle Proterozoic Cover. 7: Uatuma supergroup. 8: Roraima group (with quasi-Roraima formations). 9: Unmetamorphosed basic intrusives of the Guiana Shield. 10: Parguaza event: Vaupes (Tunui) supergroup. 11: Alkali intrusives. Part IV: Upper Proterozoic and Phanerozoic. 12: Nickerian episode. 13: Upper Proterozoic igneous rock. 14: The Takutu Graben and its mesozoic (Rewa group) fill. 15: The morphology of the Guiana Shield, and the phanerozoic geology of its periphery. Part V: Economic Geology. 16: The economic geology and mineral deposits of the shield. Bibliography. Appendices: Database and access to sources. Regional maps and remote sensing data sources. Tentative historical model. Index
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