منابع مشابه
Mars Hematite Site: Potential for Preservation of Microfossils
Carlton C. Allen, Frances Westall, Teresa Longazo, Rachel Schelble, Luke Probst, and Beverly Flood NASA Johnson Space Center, Houston, TX 77058 [email protected] Centre de Biophysique Moleculaire, Orleans France, Hernandez Engineering, Houston, TX 77058, University of Southern California, Los Angeles, CA 90089, Rice University, Houston, TX 77005, Texas A & M University at Galveston, Galv...
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Introduction Conclusions References Tables Figures Back Close Full Screen / Esc This discussion paper is/has been under review for the journal Climate of the Past (CP). Please refer to the corresponding final paper in CP if available. Abstract Introduction Conclusions References Tables Figures Back Close Full Screen / Esc Abstract Climate sensitivity is a crucial parameter in global temperature...
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Chia-Wei Li et al. describe microfossils found in Doushantuo phosphate rocks from Guizhou Province, South China that are about 580 million years old (1). Well-preserved macroscopic multicellular fossils associated with prokaryotic and eukaryotic microfossils from the same source rocks have been documented in several studies (2– 6). The Doushantuo fossils are outstanding in both preservation qua...
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Global distributions of thermal, epithermal, and fast neutron fluxes have been mapped during late southern summer/northern winter using the Mars Odyssey Neutron Spectrometer. These fluxes are selectively sensitive to the vertical and lateral spatial distributions of H and CO2 in the uppermost meter of the martian surface. Poleward of +/-60 degrees latitude is terrain rich in hydrogen, probably ...
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ژورنال
عنوان ژورنال: Astronomy & Geophysics
سال: 1997
ISSN: 1468-4004,1366-8781
DOI: 10.1093/astrog/38.1.26