Results 121 to 130 of about 31,446 (282)

Exploring productivity hotspots in the Precambrian biosphere. [PDF]

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

Palaeoichnology of the terminal Proterozoic-Early Cambrian transition in central Australia : interregional correlation and palaeoecology / Mohammad Hassan Baghiyan-Yazd.

, 1998
Mohammad Hassan Baghiyan-Yazd
openalex   +1 more source

Supplemental Material: From wide rifts to orogens: A new perspective for Proterozoic tectonics

Youseph Ibrahim, Patrice Rey
openalex   +1 more source

Gold geochemical anomalies delineated by the stratigraphic zoning anomaly lower limit contrast method: a case study of panjiaba, Shaanxi province, China. [PDF]

Sci Rep
Yuekun W, Shaolei K, Jin L, Shangqi L, Chaoran D.   +4 more
europepmc   +1 more source

The hard steps model and whole Earth-system transitions. [PDF]

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

Organic geochemical evidence for life in Archean rocks identified by pyrolysis-GC-MS and supervised machine learning. [PDF]

Proc Natl Acad Sci U S A
Wong ML, Prabhu A, Alexander CO, Cleaves HJ, Cody GD, Hystad G, Bermanec M, Bleeker W, Boyce CK, Corpolongo A, Czaja AD, Das S, Gaines RR, Gregory DD, Jaszczak JA, Javaux EJ, Jodder J, Knoll AH, Van Kranendonk M, Maloney KM, Noffke N, Rainbird R, Slaughter E, Stüeken EE, Summons RE, Westall F, Wiemann J, Xiao S, Hazen RM.   +28 more
europepmc   +1 more source

Origin of the Eumetazoa: Testing ecological predictions of molecular clocks against the Proterozoic fossil record

, 2005
Kevin J. Peterson, Nicholas J. Butterfield   +1 more
openalex   +1 more source

Oxygenation of the mid-Proterozoic atmosphere: clues from chromium isotopes in carbonates

, 2016
G. Gilleaudeau, R. Frei, A. J. Kaufman, Linda C. Kah, K. Azmy, J. Bartley, P. Chernyavskiy, A. Knoll   +7 more
semanticscholar   +1 more source

Stability analysis and optimization of open pit mine slopes based on the improved Sarma method with nonhomogeneous hydraulic boundary conditions. [PDF]

Sci Rep
Ma G, Liang Z, Ou S, Tao Z, Huang B, Cao H.   +5 more
europepmc   +1 more source

Limited role for methane in the mid-Proterozoic greenhouse

Proceedings of the National Academy of Sciences of the United States of America, 2016
S. Olson, C. Reinhard, T. Lyons
semanticscholar   +1 more source