Results 121 to 130 of about 2,704 (186)

Chance and purpose in the evolution of biospheres. [PDF]

Philos Trans R Soc Lond B Biol Sci
Donoghue PCJ, Lenton TM, Okasha S, Shields GA, Spang A.   +4 more
europepmc   +1 more source

Enhanced metamorphic CO₂ release on the Proterozoic Earth. [PDF]

Proc Natl Acad Sci U S A
Stewart EM, Penman DE.
europepmc   +1 more source

Three-dimensional reconstruction of ediacaran ceramiales (Rhodophyta) from the phosphorite doushantuo formation, South China. [PDF]

Sci Rep
Du W, Wang X, Wang Y, Uesugi K, Yasutake M, Komiya T.   +5 more
europepmc   +1 more source

Marine sulphate captures a Paleozoic transition to a modern terrestrial weathering environment. [PDF]

Nat Commun
Waldeck AR, Olson HC, Crockford PW, Couture AM, Cowie BR, Hodgin EB, Bergmann KD, Dewing K, Grasby SE, Clark RJ, Macdonald FA, Johnston DT.   +11 more
europepmc   +1 more source

Impact of steroid biosynthesis on the aerobic adaptation of eukaryotes. [PDF]

Geobiology
Hoshino Y, Gaucher EA.
europepmc   +1 more source

Channelized metasomatism in Archean cratonic roots as a mechanism of lithospheric refertilization. [PDF]

Nat Commun
Roots EA, Hill GJ, Frieman BM, Smith RS, Craven JA, Snyder DB, Calvert AJ.   +6 more
europepmc   +1 more source

Evolution of the iodine cycle and the late stabilization of the Earth's ozone layer. [PDF]

Proc Natl Acad Sci U S A
Liu J, Hardisty DS, Kasting JF, Fakhraee M, Planavsky NJ.   +4 more
europepmc   +1 more source

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End of the Proterozoic Eon

Scientific American, 1991
Living organisms have inhabited the surface of our planet for nearly four billion years. Yet the plants and animals that define our everyday existence have far more recent origins. The ancestors of modern trees and terrestrial animals first colonized land only about 450 million years ago.
openaire   +2 more sources

The Golden Proterozoic

1982
The Dominion Group, Witwatersrand Supergroup, and Ventersdorp Supergroup constitute a volcanosedimentary sequence that is famous for its fossil gold placers. It has been estimated that since gold-bearing conglomerates were discovered near Johannesburg (Fig. 4-1) in 1886, mines in the Transvaal and Orange Free State have produced more than 55 percent of
A. J. Tankard, M. P. A. Jackson, K. A. Eriksson, D. K. Hobday, D. R. Hunter, W. E. L. Minter   +5 more
openaire   +1 more source