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GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Africa
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Limpopo Belt (1)
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North Africa
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Atlas Mountains
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Moroccan Atlas Mountains
-
Anti-Atlas (1)
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-
-
Egypt
-
Eastern Desert (1)
-
-
Morocco
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
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-
-
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Nubian Shield (1)
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Southern Africa
-
Botswana (2)
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Kaapvaal Craton (1)
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Karoo Basin (1)
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South Africa (3)
-
Zimbabwe (2)
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Zimbabwe Craton (1)
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Antarctica
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East Antarctica (1)
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Queen Maud Land (1)
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Asia
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Arabian Peninsula
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Oman (1)
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Far East
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China
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Guizhou China (1)
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Indian Peninsula
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India
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Son Valley (1)
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Australasia
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Avalon Zone (1)
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Canada
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Eastern Canada
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Saint John County New Brunswick
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Newfoundland and Labrador
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Newfoundland
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Western Canada
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Northwest Territories (2)
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Europe
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Apennines
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Southern Apennines (1)
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Western Europe
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Ireland
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Galway Ireland
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Connemara (1)
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Grand Canyon (1)
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Indian Ocean
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Mid-Indian Ridge
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North America
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Canadian Shield (2)
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Keweenawan Rift (1)
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United States
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elements, isotopes
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carbon
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C-13/C-12 (3)
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isotope ratios (5)
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stable isotopes
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C-13/C-12 (3)
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Hf-177/Hf-176 (1)
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Nd-144/Nd-143 (2)
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Sr-87/Sr-86 (2)
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Lu/Hf (1)
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metals
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alkaline earth metals
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strontium
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Sr-87/Sr-86 (2)
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hafnium
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Hf-177/Hf-176 (1)
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rare earths
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neodymium
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Nd-144/Nd-143 (2)
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fossils
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burrows (1)
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Chordata
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Vertebrata
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Tetrapoda
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Reptilia
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Diapsida
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Archosauria
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dinosaurs (1)
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Synapsida
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Therapsida (1)
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Cloudina (1)
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ichnofossils (3)
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Invertebrata
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Brachiopoda
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Articulata (1)
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Metazoa (2)
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microfossils
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Conodonta (2)
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problematic microfossils (1)
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palynomorphs (2)
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Plantae
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algae
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nannofossils (1)
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problematic fossils
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problematic microfossils (1)
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geochronology methods
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Paleozoic
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Cambrian
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igneous rocks
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silicates
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orthosilicates
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nesosilicates
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garnet group (1)
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zircon group
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zircon (20)
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sheet silicates
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mica group
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biotite (1)
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muscovite (1)
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Primary terms
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absolute age (22)
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Africa
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Limpopo Belt (1)
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North Africa
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Atlas Mountains
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Moroccan Atlas Mountains
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Anti-Atlas (1)
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Egypt
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Eastern Desert (1)
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Morocco
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Moroccan Atlas Mountains
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Anti-Atlas (1)
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Nubian Shield (1)
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Southern Africa
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Botswana (2)
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Kaapvaal Craton (1)
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Karoo Basin (1)
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South Africa (3)
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Antarctica
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Asia
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Arabian Peninsula
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Oman (1)
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Far East
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China
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Guizhou China (1)
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Indian Peninsula
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India
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Australasia
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Papua New Guinea (1)
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Canada
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Maritime Provinces
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Newfoundland and Labrador
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Western Canada
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carbon
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Cenozoic
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upper Miocene
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Chordata
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igneous rocks
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pyroclastics
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Invertebrata
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Articulata (1)
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isotopes
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C-13/C-12 (3)
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Norian (1)
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-
-
-
metals
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alkaline earth metals
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strontium
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Sr-87/Sr-86 (2)
-
-
-
hafnium
-
Hf-177/Hf-176 (1)
-
-
rare earths
-
neodymium
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Nd-144/Nd-143 (2)
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-
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metamorphic rocks
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eclogite (1)
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gneisses (1)
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granulites (1)
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metaigneous rocks
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metagranite (1)
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metaplutonic rocks (1)
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North America
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lower Paleozoic (1)
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Shoo Fly Complex (1)
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algae
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plate tectonics (5)
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upper Precambrian
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1-20 OF 28
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Samuel A. Bowring
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Journal Article
Rapid time scale of Earth’s youngest known ultrahigh-pressure metamorphic event, Papua New Guinea
Publisher: Geological Society of America
Published: 29 June 2017
Geology (2017) 45 (9): 795–798.
Journal Article
Dodging snowballs: Geochronology of the Gaskiers glaciation and the first appearance of the Ediacaran biota
Judy P. Pu, Samuel A. Bowring, Jahandar Ramezani, Paul Myrow, Timothy D. Raub, Ed Landing, Andrea Mills, Eben Hodgin, Francis A. Macdonald
Publisher: Geological Society of America
Published: 01 November 2016
Geology (2016) 44 (11): 955–958.
Journal Article
Rapid assembly and crystallization of a fossil large-volume silicic magma chamber
Publisher: Geological Society of America
Published: 01 April 2016
Geology (2016) 44 (4): 331–334.
Journal Article
Magmatic activity and plate motion during the latent stage of Midcontinent Rift development
Publisher: Geological Society of America
Published: 01 June 2014
Geology (2014) 42 (6): 475–478.
Journal Article
High-precision temporal calibration of Late Permian vertebrate biostratigraphy: U-Pb zircon constraints from the Karoo Supergroup, South Africa
Publisher: Geological Society of America
Published: 01 March 2013
Geology (2013) 41 (3): 363–366.
Journal Article
Refining the Mediterranean “Messinian gap” with high-precision U-Pb zircon geochronology, central and northern Italy
Domenico Cosentino, Robert Buchwaldt, Gianluca Sampalmieri, Annalisa Iadanza, Paola Cipollari, Taylor F. Schildgen, Linda A. Hinnov, Jahandar Ramezani, Samuel A. Bowring
Publisher: Geological Society of America
Published: 01 March 2013
Geology (2013) 41 (3): 323–326.
Journal Article
Paleomagnetic and geochronological evidence for large-scale post–1.88 Ga displacement between the Zimbabwe and Kaapvaal cratons along the Limpopo belt
Richard E. Hanson, Matthew Rioux, Wulf A. Gose, Terrence J. Blackburn, Samuel A. Bowring, Joshua Mukwakwami, Dai L. Jones
Publisher: Geological Society of America
Published: 01 May 2011
Geology (2011) 39 (5): 487–490.
Journal Article
Constraints on early Cambrian carbon cycling from the duration of the Nemakit-Daldynian–Tommotian boundary δ 13 C shift, Morocco
Adam C. Maloof, Jahandar Ramezani, Samuel A. Bowring, David A. Fike, Susannah M. Porter, Mohamed Mazouad
Publisher: Geological Society of America
Published: 01 July 2010
Geology (2010) 38 (7): 623–626.
Journal Article
Does the arc-accretion model adequately explain the Paleoproterozoic evolution of southern Laurentia: An expanded interpretation: COMMENT AND REPLY: COMMENT
Publisher: Geological Society of America
Published: 01 January 2007
Geology (2007) 35 (1): e143–e144.
Journal Article
Timing of recovery from the end-Permian extinction: Geochronologic and biostratigraphic constraints from south China: COMMENT AND REPLY: REPLY
Daniel J. Lehrmann, Jahandar Ramezani, Samuel A. Bowring, Mark W. Martin, Paul Montgomery, Paul Enos, Jonathan L. Payne, Michael J. Orchard, Wang Hongmei, Wei Jiayong
Publisher: Geological Society of America
Published: 01 January 2007
Geology (2007) 35 (1): e136–e137.
Journal Article
Timing of recovery from the end-Permian extinction: Geochronologic and biostratigraphic constraints from south China: COMMENT AND REPLY: REPLY
Jahandar Ramezani, Samuel A. Bowring, Mark W. Martin, Daniel J. Lehrmann, Paul Montgomery, Paul Enos, Jonathan L. Payne, Michael J. Orchard, Wang Hongmei, Wei Jiayong
Publisher: Geological Society of America
Published: 01 January 2007
Geology (2007) 35 (1): e137–e138.
Journal Article
High-precision U-Pb zircon age from the Triassic of Italy: Implications for the Triassic time scale and the Carnian origin of calcareous nannoplankton and dinosaurs
Stefano Furin, Nereo Preto, Manuel Rigo, Guido Roghi, Piero Gianolla, James L. Crowley, Samuel A. Bowring
Publisher: Geological Society of America
Published: 01 December 2006
Geology (2006) 34 (12): 1009–1012.
Journal Article
Timing of recovery from the end-Permian extinction: Geochronologic and biostratigraphic constraints from south China
Daniel J. Lehrmann, Jahandar Ramezani, Samuel A. Bowring, Mark W. Martin, Paul Montgomery, Paul Enos, Jonathan L. Payne, Michael J. Orchard, Wang Hongmei, Wei Jiayong
Publisher: Geological Society of America
Published: 01 December 2006
Geology (2006) 34 (12): 1053–1056.
Journal Article
Decoupling of the Lu-Hf and Sm-Nd isotope systems during the evolution of granulitic lower crust beneath southern Africa
Publisher: Geological Society of America
Published: 01 May 2004
Geology (2004) 32 (5): 405–408.
Journal Article
Extinction of Cloudina and Namacalathus at the Precambrian-Cambrian boundary in Oman
Joachim E. Amthor, John P. Grotzinger, Stefan Schröder, Samuel A. Bowring, Jahandar Ramezani, Mark W. Martin, Albert Matter
Publisher: Geological Society of America
Published: 01 May 2003
Geology (2003) 31 (5): 431–434.
Journal Article
U-Pb zircon dating and Sr isotope systematics of the Vindhyan Supergroup, India
Publisher: Geological Society of America
Published: 01 February 2002
Geology (2002) 30 (2): 131–134.
Journal Article
Chuar Group of the Grand Canyon: Record of breakup of Rodinia, associated change in the global carbon cycle, and ecosystem expansion by 740 Ma
Karl E. Karlstrom, Samuel A. Bowring, Carol M. Dehler, Andrew H. Knoll, Susannah M. Porter, David J. Des Marais, Arlo B. Weil, Zachary D. Sharp, John W. Geissman, Maya B. Elrick, J. Michael Timmons, Laura J. Crossey, Kathleen L. Davidek
Publisher: Geological Society of America
Published: 01 July 2000
Geology (2000) 28 (7): 619–622.
Journal Article
Short-lived continental magmatic arc at Connemara, western Irish Caledonides: Implications for the age of the Grampian orogeny
Publisher: Geological Society of America
Published: 01 January 1999
Geology (1999) 27 (1): 27–30.
Journal Article
U-Pb zircon age for the Umkondo dolerites, eastern Zimbabwe: 1.1 Ga large igneous province in southern Africa–East Antarctica and possible Rodinia correlations
Publisher: Geological Society of America
Published: 01 December 1998
Geology (1998) 26 (12): 1143–1146.
Journal Article
New constraint on the division of Cambrian time
Publisher: Geological Society of America
Published: 01 June 1994
Geology (1994) 22 (6): 496–498.