Item request has been placed! ×
Item request cannot be made. ×
loading  Processing Request
Academic Journal

Carbon isotopic composition of individual Precambrian microfossils.

  • Authors : House CH; Department of Earth and Space Sciences, IGPP Center for Astrobiology, University of California, Los Angeles 90095-1567, USA.; Schopf JW

Subjects: Fossils*; Carbon/Carbon/Carbon/*chemistry ; Carbon Isotopes/Carbon Isotopes/Carbon Isotopes/*analysis

  • Source: Geology [Geology] 2000 Aug; Vol. 28 (8), pp. 707-10.Publisher: Geological Society of America Country of Publication: United States NLM ID: 100971468 Publication Model: Print

Record details

×
Academic Journal

Chuar Group of the Grand Canyon: record of breakup of Rodinia, associated change in the global carbon cycle, and ecosystem expansion by 740 Ma.

  • Authors : Karlstrom KE; Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque 87131, USA. ; Bowring SA

Subjects: Earth, Planet* ; Evolution, Planetary* ; Fossils*

  • Source: Geology [Geology] 2000 Jul; Vol. 28 (7), pp. 619-22.Publisher: Geological Society of America Country of Publication: United States NLM ID: 100971468 Publication Model: Print

Record details

×
Academic Journal

Life associated with a 2.76 Ga ephemeral pond?: evidence from Mount Roe #2 paleosol.

  • Authors : Rye R; California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena 91125, USA. ; Holland HD

Subjects: Biological Evolution*; Atmosphere/Atmosphere/Atmosphere/*chemistry ; Euryarchaeota/Euryarchaeota/Euryarchaeota/*metabolism

  • Source: Geology [Geology] 2000 Jun; Vol. 28 (6), pp. 483-6.Publisher: Geological Society of America Country of Publication: United States NLM ID: 100971468 Publication Model: Print

Record details

×
Academic Journal

Bacterial mineralization patterns in basaltic aquifers: implications for possible life in martian meteorite ALH84001.

Subjects: Mars* ; Meteoroids*; Geologic Sediments/Geologic Sediments/Geologic Sediments/*microbiology

  • Source: Geology [Geology] 1998 Nov; Vol. 26 (11), pp. 1031-4.Publisher: Geological Society of America Country of Publication: United States NLM ID: 100971468 Publication Model: Print

Record details

×
Academic Journal

Abiological origin of described stromatolites older than 3.2 Ga.

  • Authors : Lowe DR; Department of Geological and Environmental Sciences, Stanford University, California 94305-2115, USA.

Subjects: Paleontology*; Geologic Sediments/Geologic Sediments/Geologic Sediments/*analysis ; Geologic Sediments/Geologic Sediments/Geologic Sediments/*chemistry

  • Source: Geology [Geology] 1994 May; Vol. 22, pp. 387-90.Publisher: Geological Society of America Country of Publication: United States NLM ID: 100971468 Publication Model: Print

Record details

×
  • 1-10 of  2,116 results for ""SEDIMENTS""