Geoffrey Ellis
Geoffrey Ellis
Research Geologist, U. S. Geological Survey
E-mail confirmado em usgs.gov
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Effect of organic-matter type and thermal maturity on methane adsorption in shale-gas systems
T Zhang, GS Ellis, SC Ruppel, K Milliken, R Yang
Organic geochemistry 47, 120-131, 2012
8642012
Formation temperatures of thermogenic and biogenic methane
DA Stolper, M Lawson, CL Davis, AA Ferreira, EVS Neto, GS Ellis, ...
Science 344 (6191), 1500-1503, 2014
1632014
Effect of hydrocarbon type on thermochemical sulfate reduction
T Zhang, GS Ellis, K Wang, CC Walters, SR Kelemen, B Gillaizeau, ...
Organic Geochemistry 38 (6), 897-910, 2007
1452007
Evaluation of lipid‐containing semipermeable membrane devices for monitoring organochlorine contaminants in the Upper Mississippi river
GS Ellis, CE Rostad, JN Huckins, CJ Schmitt, JD Petty, P MacCarthy
Environmental Toxicology and Chemistry: An International Journal 14 (11 …, 1995
1401995
Experimental investigation on thermochemical sulfate reduction by H2S initiation
T Zhang, A Amrani, GS Ellis, Q Ma, Y Tang
Geochimica et Cosmochimica Acta 72 (14), 3518-3530, 2008
1352008
A kinetic model for thermally induced hydrogen and carbon isotope fractionation of individual n-alkanes in crude oil
Y Tang, Y Huang, GS Ellis, Y Wang, PG Kralert, B Gillaizeau, Q Ma, ...
Geochimica et Cosmochimica Acta 69 (18), 4505-4520, 2005
1252005
Experimental investigation of changes in methane adsorption of bitumen-free Woodford Shale with thermal maturation induced by hydrous pyrolysis
H Hu, T Zhang, JD Wiggins-Camacho, GS Ellis, MD Lewan, X Zhang
Marine and Petroleum Geology 59, 114-128, 2015
1212015
Semipermeable membrane devices (SPMDs) for the concentration and assessment of bioavailable organic contaminants in aquatic environments
JN Huckins, JD Petty, JA Lebo, CE Orazio, HF Prest, DE Tillitt, GS Ellis, ...
Techniques in aquatic toxicology, 625-655, 1996
1051996
Paleolimnology of Lake Tanganyika, East Africa, over the past 100 kyr
CA Scholz, JW King, GS Ellis, PK Swart, JC Stager, SM Colman
Journal of Paleolimnology 30 (2), 139-150, 2003
1022003
The role of labile sulfur compounds in thermochemical sulfate reduction
A Amrani, T Zhang, Q Ma, GS Ellis, Y Tang
Geochimica et Cosmochimica Acta 72 (12), 2960-2972, 2008
932008
Theoretical study on the reactivity of sulfate species with hydrocarbons
Q Ma, GS Ellis, A Amrani, T Zhang, Y Tang
Geochimica et Cosmochimica Acta 72 (18), 4565-4576, 2008
852008
Geochemical signatures of thermochemical sulfate reduction in controlled hydrous pyrolysis experiments
T Zhang, GS Ellis, CC Walters, SR Kelemen, K Wang, Y Tang
Organic Geochemistry 39 (3), 308-328, 2008
782008
Lacustrine records of Holocene flood pulse dynamics in the Upper Paraguay River watershed (Pantanal wetlands, Brazil)
MM McGlue, A Silva, H Zani, FA Corradini, M Parolin, EJ Abel, AS Cohen, ...
Quaternary Research 78 (2), 285-294, 2012
742012
Depositional environment and organic matter accumulation of Upper Ordovician–Lower Silurian marine shale in the Upper Yangtze Platform, South China
Y Li, T Zhang, GS Ellis, D Shao
Palaeogeography, Palaeoclimatology, Palaeoecology 466, 252-264, 2017
652017
Fundamental studies on kinetic isotope effect (KIE) of hydrogen isotope fractionation in natural gas systems
Y Ni, Q Ma, GS Ellis, J Dai, B Katz, S Zhang, Y Tang
Geochimica et Cosmochimica Acta 75 (10), 2696-2707, 2011
652011
Kinetics of uncatalyzed thermochemical sulfate reduction by sulfur-free paraffin
T Zhang, GS Ellis, Q Ma, A Amrani, Y Tang
Geochimica et Cosmochimica Acta 96, 1-17, 2012
512012
Distinguishing solid bitumens formed by thermochemical sulfate reduction and thermal chemical alteration
SR Kelemen, CC Walters, PJ Kwiatek, M Afeworki, M Sansone, H Freund, ...
Organic Geochemistry 39 (8), 1137-1143, 2008
482008
Limnogeology in Brazil’s “forgotten wilderness”: a synthesis from the large floodplain lakes of the Pantanal
MM McGlue, A Silva, FA Corradini, H Zani, MA Trees, GS Ellis, M Parolin, ...
Journal of Paleolimnology 46 (2), 273, 2011
462011
Late Holocene linkages between decade–century scale climate variability and productivity at Lake Tanganyika, Africa
AS Cohen, KE Lezzar, J Cole, D Dettman, GS Ellis, ME Gonneea, ...
Journal of Paleolimnology 36 (2), 189-209, 2006
432006
Benzo [b] naphthothiophenes and alkyl dibenzothiophenes: Molecular tracers for oil migration distances
M Li, TG Wang, S Shi, K Liu, GS Ellis
Marine and Petroleum Geology 57, 403-417, 2014
412014
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Artigos 1–20