Results 131 to 140 of about 12,911 (237)

The Proterozoic in the U.S.S.R. [PDF]

Nature, 1960
openaire   +1 more source

Aeromagnetic analysis of the shear zones of Ambaji garnulite, NW India: implications for base-metal mineralization. [PDF]

Sci Rep
Seshu D, Kumar VP, Rao GS, Satyanarayana HVS, Kumar P.   +4 more
europepmc   +1 more source

The chitin raft hypothesis for the colonization of the open ocean by cyanobacteria. [PDF]

Philos Trans R Soc Lond B Biol Sci
Braakman R.
europepmc   +1 more source

Palaeobiology and diversification of Proterozoic-Cambrian photosynthetic eukaryotes [Elektronisk resurs]

, 2015
One of the most important events in the history of life is the evolution of the complex, eukaryotic cell. The eukaryotes are complex organisms with membrane-bound intracellular structures, and they include a variety of both single-celled and ...
Moczydłowska, Małgorzata,, Xiao, Shuhai,, Agić, Heda,   +2 more
core  

Geochemical Characteristics and Organic Matter Enrichment of Mesoproterozoic Shales: Insights from the Cuizhuang Formation, Ordos Basin, North China Craton. [PDF]

ACS Omega
Shi Y, Bao H, Wang X, Wang Q, Zhang D, Bai H, Chen X, Zhang Q, Zhang W, Feng D, Guan X, Wang T, Liu W.   +12 more
europepmc   +1 more source

Revisiting the greatness of Earth's great oxidation. [PDF]

Commun Earth Environ
Crockford PW, Sugiyama I, Kipp MA, Hao J, Nelson LL, Hemingway JD, Wimmer S, Fakhraee M.   +7 more
europepmc   +1 more source

Atmospheric oxygen and methane on the early Earth. [PDF]

Philos Trans R Soc Lond B Biol Sci
Kasting JF, Ji A.
europepmc   +1 more source

Reconstructing Eocene Antarctic river drainage from provenance analysis of Amundsen Sea embayment sediments. [PDF]

Sci Adv
Marschalek JW, van de Flierdt T, Siddoway CS, Thomson SN, Paxman GJG, Jamieson SSR, Conrad E, Licht KJ, Hemming SR, Bentley MJ, Hillenbrand CD, Smith JA, Klages JP, Fox M, Pastore G, Vermeesch P.   +15 more
europepmc   +1 more source

Linking carbonatites, rare earth ores, and subduction-fertilized mantle lithosphere. [PDF]

Sci Adv
Spandler C, Merdith AS, Griffin A.
europepmc   +1 more source

Proterozoic greenstone associated with the Pinal Schist in the Little Dragoon Mountains, southeastern Arizona: Episodic mafic magmatism and tectonism in the Mazatzal Province of southwestern Laurentia

The Pinal Schist and associated metavolcanic and plutonic units are major constituents of the late Paleoproterozoic Mazatzal orogenic province in southeastern Arizona and adjacent parts of New Mexico and Sonora. These rocks are well exposed in the Little
Donald, Roberta L., Carter, Maria R., Johnson, Bradford J., Thorkelson, Derek J.   +3 more
core