Results 131 to 140 of about 2,944 (200)

Age of the Western Iron Ore Group, India, and implications for pre-GOE oxygenation of oceans at the twilight of Archean-Proterozoic transition. [PDF]

Sci Rep
Mukhopadhyay J, Ngobeli R, Ghosh G, Elburg MA.   +3 more
europepmc   +1 more source

Survival of cyanobacteria and mitigation of Fe(II) toxicity effects in a silica-rich Archean ocean. [PDF]

Nat Commun
Dreher CL, Cirpka OA, Schad M, Konhauser KO, Kappler A.   +4 more
europepmc   +1 more source

Earth's Hadean crust formed via operation of convergent tectonics. [PDF]

Natl Sci Rev
Lu D, Liu J, Xia Q, Luan Z, Zhou J, Lei T, Wang L, Hanski E.   +7 more
europepmc   +1 more source

A two-stage mantle plume-sagduction origin of Archean continental crust revealed by water and oxygen isotopes of TTGs. [PDF]

Sci Adv
Zhao D, Cawood PA, Teng FZ, Zhao G, Xia XP, Sun M, Wang X.   +6 more
europepmc   +1 more source

Reconciling Archean organic-rich mudrocks with low primary productivity before the Great Oxygenation Event. [PDF]

Proc Natl Acad Sci U S A
Lotem N, Rasmussen B, Zi JW, Zeichner SS, Present TM, Bar-On YM, W Fischer W.   +6 more
europepmc   +1 more source

A hot origin of dissimilatory sulfite reduction catalyzed by DsrAB in the Paleoarchean Era. [PDF]

mLife
Tang L, Luo Z, Gao S, Lin Z, Sun M, Li R, Gao SH, Wu G, Li Y, Huang L, Fan L.   +10 more
europepmc   +1 more source

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Photosynthesis in the Archean Era

Photosynthesis Research, 2006
The earliest reductant for photosynthesis may have been H2. The carbon isotope composition measured in graphite from the 3.8-Ga Isua Supercrustal Belt in Greenland is attributed to H2-driven photosynthesis, rather than to oxygenic photosynthesis as there would have been no evolutionary pressure for oxygenic photosynthesis in the presence of H2 ...
openaire   +2 more sources

Revisiting an Archean Impact Layer

Science, 2002
G. R. Byerly et al. 's report, “An archean impact layer from the Pilbara and Kaapvaal cratons” (23 Aug., p. [1325][1]), is an important addition to the growing literature on early Precambrian impact ejecta. Their zircon data provide compelling evidence that spherule layers in Australia and South Africa were formed simultaneously by a single impact ...
Bruce M, Simonson, Scott W, Hassler
openaire   +2 more sources

Chemical discontinuities in Archean metavolcanic terrains and the development of Archean crust

Precambrian Research, 1980
Abstract Most large Archean greenstone belts ( ⋍ 2.7 Ga ), comprise thick (12–15 km) mafic to felsic metavolcanics sequences which exhibit consistent but discontinuous geochemical patterns resulting from mantle-crust processes. In a typical Archean metavolcanic sequence, thick (5–8 km) uniform tholeiitic basalt is followed by geochemically ...
A.M. Goodwin, I.E.M. Smith
openaire   +1 more source