Robert Perkins
Portland State University, Portland, OR
Activity
2023
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THE IMPACT OF BLACK SHALE WEATHERING ON STREAM AND STREAM SEDIMENT CHEMISTRY IN EASTERN KENTUCKY
T31 Environmental and Engineering Geology Division: Poster Session for Graduate and Undergraduate Students (Posters)Sunday, 15 October 20238:00 AM - 5:30 PMHall B
2022
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CEMENTATION AND GROUNDWATER CHEMISTRY IN PLEISTOCENE PALEODUNE DEPOSITS OF THE CENTRAL OREGON COAST
T195 GSA Environmental and Engineering Geology Division (Posters)Tuesday, 11 October 20222:00 PM - 6:00 PMExhibit Hall F
2021
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NEW INTERPRETATIONS OF THE GEOTHERMOMETRY AND GEOCHEMISTRY OF BREITENBUSH HOT SPRINGS, OREGON CASCADES
T170 Geologic Energy Research IITuesday, 12 October 20211:30 PM - 5:30 PMB115/B116 (Hybrid Room)
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CEMENTATION AND GROUNDWATER CHEMISTRY IN PLEISTOCENE PALEODUNE DEPOSITS OF THE CENTRAL OREGON COAST
153 D41. Recent Advances in Geoscience Education (Posters)Tuesday, 12 October 20219:00 AM - 1:00 PMExhibit Hall A
2019
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GEOCHEMICAL RESPONSE TO THERMAL ENERGY STORAGE IN THE COLUMBIA RIVER BASALT AQUIFER SYSTEM BENEATH THE PORTLAND BASIN, OREGON
5 D3. The Hydrology of Volcanic Terranes: Celebrating the Scientific Curiosity of Ken Lite and Marshall Gannett (Posters)Wednesday, 15 May 20199:00 AM - 6:00 PMExhibit Hall B
2017
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GEOCHEMISTRY AND GEOTHERMOMETRY OF THE BREITENBUSH HOT SPRINGS AREA
T308 Geothermal EnergyWednesday, 25 October 20178:00 AM - 12:00 PMRoom 602/603
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HYDROGEOCHEMISTRY OF THE UINTA AND GREEN RIVER FORMATIONS, PICEANCE CREEK BASIN, NORTHWESTERN COLORADO, USA
T133 Environmental Impact Studies for Energy GeologyMonday, 23 October 20171:30 PM - 5:30 PMRoom 602/603
2015
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HYDROGEOCHEMICAL EVALUATION OF THE GREEN RIVER AND UINTA FORMATION OF THE PICEANCE CREEK BASIN, NORTHWESTERN COLORADO
22 Tectonics, Sedimentation, and Energy Resource Potential of the Northern Cordillera (Posters)Wednesday, 13 May 20151:30 PM - 5:30 PMAtrium/Hallway
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ARSENIC MOBILIZATION FROM SILICIC VOLCANIC ROCKS IN THE SOUTHERN WILLAMETTE VALLEY
7 Metalloids and Other Geogenic Contaminants in the Environment (Posters)Monday, 11 May 20151:30 PM - 5:30 PMAtrium/Hallway
2014
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ORGANIC PETROGRAPHY AND GEOCHEMISTRY OF THE SUNBURY SHALE: FURTHER INSIGHTS INTO THE DEPOSITIONAL SYSTEM
T105 Organic-Rich Mud Rocks: Geochemistry, Physical Properties, and Paleo-EnvironmentsMonday, 20 October 20148:00 AM - 12:00 PM109
2013
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ARSENIC MOBILITY FROM HIGH-SILICA ASH FLOW TUFFS
T169 Environmental Arsenic: The Nexus of Natural Occurrences and Human HealthMonday, 28 October 20131:00 PM - 5:00 PMRoom 205
2012
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VARIATIONS IN THE OCCURRENCE AND MOBILITY OF ARSENIC IN ASH-FLOW TUFFS
T13 Arsenic: Fate and Transport in Natural Waters and Aquifers from Basin to Pore-Space Scale ISunday, 4 November 20128:00 AM - 12:00 PM213D
2010
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AQUEOUS AND MINERALOGICAL CHANGES DURING HYDROUS OIL SHALE RETORTING
T134 Environmental Geology of Oil Shale and Tar SandsMonday, 1 November 20101:30 PM - 3:15 PMRoom 405
2009
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TRACE ELEMENT MOBILITY FROM WEATHERING OF BLACK SHALES IN EASTERN KENTUCKY
T119 Sources, Transport, and Fate of Trace and Toxic Elements in the Environment (Posters)Monday, 19 October 20099:00 AM - 6:00 PMHall A
2007
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INFLUENCES OF TEMPERATURES WITHIN THE NORTH FORK JOHN DAY RIVER, CENTRAL OREGON
16 Environmental Geology in the Pacific Northwest (Posters)Saturday, 5 May 20078:00 AM - 6:00 PM
2006
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ARSENIC SPECIES IN NEAR-SURFACE IRON OXYHYDROXIDE BANDS IN BANGLADESH: MICROCHARACTERIZATION BY ELECTRON PROBE, XAFS SPECTROSCOPY, AND X-RAY DIFFRACTION
T67 Distribution of Arsenic and Related Metalloids in Surface and Ground Waters: Controls and Challenges IMonday, 23 October 20068:00 AM - 12:00 PM