The Precambrian, Eocambrian and Early Palaeozoic Stratigraphy of the Jørgen Brønlund Fjord Area PDF Download
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Author: Hans F. Jepsen
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 42
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Author: Hans F. Jepsen
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 42
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Book Description
Author: Hans F. Jepsen
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Denmark. Kommissionen for videnskabelige undersøgelser i Grønland
Publisher:
ISBN:
Category :
Languages : en
Pages : 35
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Book Description
Author: S.B. Lucas
Publisher: Geological Society of America
ISBN: 0813754461
Category : Science
Languages : en
Pages : 395
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Book Description
This volume contains a description of the geology and mineral deposits of the Superior Province of the Canadian Shield, an overview of Grenville Province geology, and a synopsis of Precambrian fossil occurrences in North America. Six large plates include a geological map of Canada, geological map of the Grenville Province, lithotectonic map of the Superior Province, Archean mineral deposit map of the Superior Province, and more.
Author:
Publisher: Elsevier
ISBN: 0080868444
Category : Science
Languages : en
Pages : 393
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Book Description
Precambrian of the Northern Hemisphere
Author:
Publisher:
ISBN:
Category : Geology, Stratigraphic
Languages : en
Pages :
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Author: Lazar' Iosifovich Salop
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 396
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Book Description
Author: L.J. Salop
Publisher: Springer Science & Business Media
ISBN: 3642686842
Category : Science
Languages : en
Pages : 471
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Book Description
Progress in Precambrian geology has been exceptionally great, indeed quite striking for geologists of the older generation; only some 30-40 years ago the Precambrian appeared as an uncertain and even mystic prelude to geologic evolution. Even the very name - Precambrian - means some indi visible unit in the early history of the Earth, the beginning of which is poorly known. At the same time it was obvious that the Precambrian formations are of extremely varied and complex composition and poor knowledge and lack of reliable methods of division and correlation were to blame for the lack of significant progress in studies of this early evolutionary stage of the planet. Certainly, even at the very start of Precambrian studies, the results obtained were quite promising, lifting as they did the mysterious veil over the regional Precambrian; but they presented no general realistic picture of this early stage in the Earth's evolution at that time. Recently, this situation has completely changed, due to new methods of study of the older forma tions, and due also to the refinement of some well-known methods, in particular of division, dating, and correlation of "silent" metamorphic strata. Application of different isotope methods of dating was most impor tant in providing objective rock age and thereby the age of geologic events recorded in these rocks. Thus it became possible to reconstruct the oldest geologic period of our planet.
Author: Lazarʹ Iosifovich Salop
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 396
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Book Description
Proposes a generalized subdivision of the Precambrian based on comparative analysis.
Author: Giorgio Rivalenti
Publisher:
ISBN: 9788742100745
Category : Geology
Languages : en
Pages : 98
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Book Description
