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all geography including DSDP/ODP Sites and Legs
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Canada
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sulfates
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Primary terms
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Africa
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East Africa
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Kenya (1)
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Tanzania (1)
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Southern Africa
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Karoo Basin (1)
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South Africa (1)
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Antarctica
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Asia
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Far East
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China (1)
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Australia
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Canada
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carbon
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Cenozoic
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Quaternary
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Tertiary
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John Day Formation (1)
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Neogene
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lower Eocene (1)
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Flagstaff Formation (1)
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upper Paleocene (1)
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Paleocene-Eocene Thermal Maximum (1)
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Central America
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Panama (1)
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Chordata
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Vertebrata
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Invertebrata
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isotopes
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stable isotopes
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C-13/C-12 (1)
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Mesozoic
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Cretaceous
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Upper Cretaceous
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Hell Creek Formation (1)
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Triassic
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Lower Triassic
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Permian-Triassic boundary (4)
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metals
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germanium (1)
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platinum group
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iridium (1)
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metamorphic rocks
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impactites (1)
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metamorphism (1)
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meteorites (1)
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North America (1)
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oxygen
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O-18/O-16 (1)
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paleoclimatology (6)
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paleoecology (4)
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Paleozoic
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Permian
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Illawarra Coal Measures (1)
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Lower Permian (1)
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Newcastle Coal Measures (1)
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Upper Permian
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Permian-Triassic boundary (4)
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palynomorphs (1)
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Phanerozoic (1)
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Plantae
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Spermatophyta
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Gymnospermae
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Glossopteridales
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Glossopteris
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Glossopteris flora (1)
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Precambrian
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upper Precambrian
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Proterozoic
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Neoproterozoic
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Ediacaran (5)
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Vendian (1)
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problematic fossils (2)
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sea water (1)
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sedimentary rocks
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clastic rocks
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coal (2)
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sediments
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United States
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Montana
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McCone County Montana (1)
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New Mexico (1)
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Oregon
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Grant County Oregon (1)
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Texas
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Knox County Texas (1)
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Utah
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Sanpete County Utah (1)
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Washington
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Franklin County Washington (1)
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weathering (1)
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rock formations
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North Horn Formation (1)
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sedimentary rocks
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sedimentary rocks
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clastic rocks
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claystone (1)
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coal (2)
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sedimentary structures
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sedimentary structures
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bedding plane irregularities
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tool marks (1)
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planar bedding structures
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secondary structures
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sediments
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sediments
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soils
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Gregory J. Retallack
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Journal Article
Exceptional preservation of soft-bodied Ediacara Biota promoted by silica-rich oceans: COMMENT
Publisher: Geological Society of America
Published: 01 February 2017
Geology (2017) 45 (2): e407.
Journal Article
Paleosols and paleoenvironments of early Mars
Publisher: Geological Society of America
Published: 01 September 2014
Geology (2014) 42 (9): 755–758.
Journal Article
How well do fossil assemblages of the Ediacara Biota tell time?: COMMENT
Publisher: Geological Society of America
Published: 01 April 2014
Geology (2014) 42 (4): e332.
Journal Article
Affirming life aquatic for the Ediacara biota in China and Australia: COMMENT
Publisher: Geological Society of America
Published: 01 March 2014
Geology (2014) 42 (3): e325.
Journal Article
Evidence for Cnidaria-like behavior in ca. 560 Ma Ediacaran Aspidella : COMMENT
Publisher: Geological Society of America
Published: 01 March 2014
Geology (2014) 42 (3): e323.
Journal Article
The terrestrial Permian–Triassic boundary event bed is a nonevent: COMMENT
Publisher: Geological Society of America
Published: 01 March 2012
Geology (2012) 40 (3): e256.
Journal Article
First evidence for locomotion in the Ediacara biota from the 565 Ma Mistaken Point Formation, Newfoundland: COMMENT
Publisher: Geological Society of America
Published: 01 October 2010
Geology (2010) 38 (10): e223.
Journal Article
Depth to gypsic horizon as a proxy for paleoprecipitation in paleosols of sedimentary environments
Publisher: Geological Society of America
Published: 01 May 2010
Geology (2010) 38 (5): 403–406.
Journal Article
Mechanisms of PETM global change constrained by a new record from central Utah: COMMENT and REPLY: COMMENT
Publisher: Geological Society of America
Published: 01 January 2009
Geology (2009) 37 (1): e184–e185.
Journal Article
Pedogenic carbonate proxies for amount and seasonality of precipitation in paleosols
Publisher: Geological Society of America
Published: 01 April 2005
Geology (2005) 33 (4): 333–336.
Journal Article
Glacial-interglacial–scale paleoclimatic change without large ice sheets in the Oligocene of central Oregon
Publisher: Geological Society of America
Published: 01 April 2004
Geology (2004) 32 (4): 297–300.
Journal Article
Low oxygen levels in earliest Triassic soils: Comment and Reply: REPLY
Publisher: Geological Society of America
Published: 01 January 2004
Geology (2003) 31 (1): e20–e21.
Journal Article
Low oxygen levels in earliest Triassic soils
Publisher: Geological Society of America
Published: 01 October 2002
Geology (2002) 30 (10): 919–922.
Journal Article
Equation for compaction of paleosols due to burial
Publisher: Geological Society of America
Published: 01 March 2001
Geology (2001) 29 (3): 247–250.
Journal Article
Depth to pedogenic carbonate horizon as a paleoprecipitation indicator?: Comment and Reply: COMMENT
Publisher: Geological Society of America
Published: 01 June 2000
Geology (2000) 28 (6): 572.
Journal Article
Search for evidence of impact at the Permian-Triassic boundary in Antarctica and Australia: Comment and Reply
Publisher: Geological Society of America
Published: 01 September 1999
Geology (1999) 27 (9): 859–860.
Journal Article
Search for evidence of impact at the Permian-Triassic boundary in Antarctica and Australia
Gregory J. Retallack, Abbas Seyedolali, Evelyn S. Krull, William T. Holser, Clifford P. Ambers, Frank T. Kyte
Publisher: Geological Society of America
Published: 01 November 1998
Geology (1998) 26 (11): 979–982.
Journal Article
Evidence from paleosols for ecosystem changes across the Cretaceous/Tertiary boundary in eastern Montana
Publisher: Geological Society of America
Published: 01 December 1987
Geology (1987) 15 (12): 1090–1093.