Results 131 to 140 of about 8,027 (255)

Supplemental Material: Regional chronostratigraphic synthesis of the Cenomanian-Turonian Oceanic Anoxic Event 2 (OAE2) interval, Western Interior Basin (USA): New Re-Os chemostratigraphy and ⁴⁰Ar/³⁹Ar geochronology

, 2021
Matthew M. Jones, et al.
openalex   +1 more source

Large igneous provinces played a major role in oceanic oxygenation events during the mid-Proterozoic

Communications Earth & Environment
Low atmospheric oxygen levels during the mid-Proterozoic were occasionally interrupted by transient high oxygen levels. The cause of mid-Proterozoic ocean redox variability remains unclear.
Anbo Luo, Guangyi Sun, Stephen E. Grasby, Runsheng Yin   +3 more
doaj   +1 more source

The Role of Diagenesis at Vera Rubin Ridge in Gale Crater, Mars, and the Chemostratigraphy of the Murray Formation as Observed by the Chemcam Instrument [PDF]

The Mars Science Laboratory (MSL) Curiosity rover explored Vera Rubin ridge (VRR) in Gale crater, Mars, for almost 500 sols (Mars days) between arriving at the ridge on sol 1809 of the mission in September 2017 and leaving it on sol 2302 upon entering ...
Bedford, C. C., Bridges, J. C., Calef, F., Clark, B. C., Edgar, L. A., Fedo, C., Fraeman, A. A., Frydenvang, J., Gabriel, T. S. J., Gasda, P. J., Gasnault, O., Grotzinger, J. P., Gupta, S., House, C. H., Lanza, N. L., L’Haridon, J., Mangold, N., Maurice, S., Meslin, P.-Y., Olilla, A. M., Payr, V., Rampe, E. B., Salvatore, M., Wiens, R. C.   +23 more
core   +1 more source

Strontium isotopic composition from Northeast Patagonia: Preliminary results [PDF]

, 2014
Se estudió la composición isotópica de estroncio de rocas calcáreas de unidades del Noreste patagónico. Incluye, a) mármoles de Pailemán (de dudosa pertenencia a la Formación El Jagüelito), valor medio de 87Sr/86Sr 0,707354 ± 0,000113; b) mármoles de ...
Gonzalez, Pablo Diego, González, Santiago Nicolás, Greco, Gerson Alan, Naipauer, Maximiliano, Philipp, Ruy, Sato, Ana Maria, Varela, Ricardo   +6 more
core   +2 more sources

Chemostratigraphy of Madeira Abyssal Plain Miocene-Pleistocene turbidites, Site 950

, 1998
Ian Jarvis, J. Moreton, M. Gérard
openalex   +1 more source

Chemostratigraphy of Carbonates from the Minas Supergroup, Quadrilatero Ferryifero (Iron Quadrangle), Brazil: A Stratigraphic Record of Early Proterozoic Atmospheric, Biogeochemical and Climactic Change [PDF]

, 2003
Andrey Bekker
openalex   +1 more source

Rapid marine oxygen variability: Driver of the Late Ordovician mass extinction. [PDF]

Sci Adv, 2022
Kozik NP, Young SA, Newby SM, Liu M, Chen D, Hammarlund EU, Bond DPG, Them TR, Owens JD.   +8 more
europepmc   +1 more source

Neoproterozoic Carbonate Ramp Development in the Canadian Arctic (Shaler Supergroup): Sedimentology, Sequence Stratigraphy, and Chemostratigraphy

, 2014
Danielle Thomson
openalex   +2 more sources

A transient peak in marine sulfate after the 635-Ma snowball Earth. [PDF]

Proc Natl Acad Sci U S A, 2022
Peng Y, Bao H, Jiang G, Crockford P, Feng D, Xiao S, Kaufman AJ, Wang J.   +7 more
europepmc   +1 more source

Chemostratigraphy of some key European Frasnian-Famennian boundary sections (Germany, Poland, France)

, 2005
F. Pujol
openalex   +2 more sources