与 «PROTEROZOIC»相关的英语书籍
在以下的参考文献中发现
Proterozoic的用法。与
Proterozoic相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
The
Proterozoic Biosphere: A Multidisciplinary Study
The first major study of the paleobiology of the Proterozoic Earth.
J. William Schopf, Cornelis Klein, 1992
2
Proterozoic Crustal Evolution
As a final product of the International Geological Correlation Program (IGCP) Project 217, this volume brings together significant advances in the understanding of Proterozoic crustal evolution.
3
The extreme
Proterozoic: geology, geochemistry, and climate
Topics of this volume include observational evidence of extreme climatic conditions; geochemical and coupled climate modeling studies, alternative hypotheses for explaining low-latitude glacial deposits; and the biosphere and extreme ...
4
Phosphate Deposits of the World: Volume 1:
Proterozoic and ...
This book is an important contribution to the scientific understanding of phosphate deposits.
P. J. Cook, J. H. Shergold, 2005
5
A Geologic Time Scale 1989
However, at that lime only one scale was thought desirable for Precambrian
history, the dual system was rejected by the Subcom mission, and the familiar
names Archean and Proterozoic were then agreed to be defined
chronometrically ...
Walter Brian Harland, 1990
6
Proterozoic Geology: Selected Papers from an International ...
Sawkins, in his review of tectonic controls on Proterozoic metal deposits,
emphasizes the time-space relation of important deposits and rifting events.
Significant differences between Proterozoic and Phanerozoic deposits are noted,
but are ...
7
Middle
Proterozoic to Cambrian rifting, central North America
Technical problems resulted in the termination of drilling while still within the
Proterozoic sequence. Ensuing efforts led to the acquisition of an 12.9-km
seismic traverse centered upon the borehole (Fig. 5). The seismic data are
interpreted to ...
Richard W. Ojakangas, Albert B. Dickas, John C. Green, 1997
8
Proterozoic Geology of the Southern Rocky Mountains
In addition, the data shows that Proterozoic plutonism progressed from north to
south, occurring in perhaps five distinct pulses at approximately 1,780; 1,750;
1,720; 1,670; and 1,625 Ma. The last magmatic episode at 1,625 Ma is
apparently ...
Jeffrey A. Grambling, Barbara J. Tewksbury, 1989
9
Early
Proterozoic Geology of the Great Lakes Region
limit of exposed Precambrian bedrock, the volcanics definitely overlie Archean
basement gneisses, which have U-Pb zircon ages of about 2,800 my (Van
Schmus and Anderson, 1977). An early Proterozoic age for these volcanics is
indicated ...
10
Selected Studies of Archean Gneisses and Lower
Proterozoic ...
GEOLOGIC HISTORY OF THE PRECAMBRIAN TERRANE IN THE WISCONSIN
RIVER REGION Rock units Folding events Late Proterozoic(?) Diabase Early
Proterozoic F3, Broad open folds Aplites Amphibolite dikes Pegmatites and
aplites ...
G. B. Morey, Gilbert N. Hanson, 1980
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COPPER: Kaizen set to advance Coppermine project
The Coppermine project contains an easterly trending, 115 km belt of Meso-Proterozoic continental flood basalts (the Coppermine River Group) and ... «Canadian Mining Journal, 七月 15»
Acquisition Expands ABM Resources's (ASX:ABU) Footprint in the …
Darren Holden, Managing Director at ABM Resources said, "The Tanami region is one of the most prospective but underexplored Proterozoic mineral belts in ... «ABN Newswire, 六月 15»
Effects of Supercontinent Formation on Complex Life: Part II
Lyons, who has written much on what he calls “widespread iron-rich conditions” of the mid-Proterozoic ocean, noted to Bioscience Technology the Guilbaud ... «Bioscience Technology, 六月 15»
North America once linked to Australia?
A reconstruction of the proposed first Proterozoic supercontinent Columbia at 1800 Ma, configured by Zhao. A reconstruction of the proposed supercontinent ... «EarthSky, 六月 15»
'Snowball Earth' caused Arctic conditions in warm areas
The researchers examined the oxygen isotopic composition of Proterozoic rocks that had been hydrothermally altered by ancient meteoric waters, some of which ... «RedOrbit, 四月 15»
Scientists discover organism that hasn't evolved for more than 2 …
They believe the bacteria first evolved during the early Proterozoic eon of the Earth, just after the continents first stabilised and before an oxygen levels in the ... «Daily Mail, 二月 15»
North American Plate Shattered Speed Records -- a Billion Years Ago
... of the ~1.1 Ga Coldwell Complex (Ontario, Canada): Implications for Proterozoic Geomagnetic Field Morphology and Plate Velocities,”coauthored by Smirnov, ... «Michigan Tech News, 二月 15»
Two-Billion-Year-Old Fossils Reveal Strange and Puzzling Forms
Proterozoic, incidentally, means "before animals". These creatures, whatever they were, were probably not animals, not plants, and not anything we know today. «Scientific American, 一月 15»
Lack of oxygen made it impossible to support the rise of life during …
Prehistoric creatures first began to prosper at the end of the Proterozoic period, around 800 million years ago, but for a billion years before that, only very basic ... «Daily Mail, 十一月 14»
Low Oxygen Suffocates Darwinian Explanations for the Cambrian …
That's evident in the title: "Low Mid-Proterozoic atmospheric oxygen levels and the ... On the basis of chromium (Cr) isotope data from a suite of Proterozoic ... «Discovery Institute, 十一月 14»
