Maurice A Chaffee (Former Employee)
Science and Products
Data to accompany U.S. Geological Survey Scientific Investigations Report 2019-5077: Geochemical and mineralogical study of the Red Mountain porphyry copper-molybdenum deposit and vicinity, Santa Cruz County, Arizona
The dataset comprises analyses of core and surface samples collected in and around the Red Mountain porphyry Cu-Mo deposit, Santa Cruz County, Arizona. The dataset includes: analyses for 13 minerals in 245 core samples (Appendix 1); analyses for 44 elements in 818 core samples (Appendix 2); analyses for 54 elements in 122 rock samples (Appendix 3); analyses for 55 elements in 119 soil samples (App
Maps showing distribution of iron, cobalt, barium, strontium, arsenic, antimony, and bismuth in samples of minus-60-mesh (0.25-MM) stream sediment and (or) nonmagnetic heavy-mineral concentrate, Walker Lake 1 degree by 2 degrees Quadrangle, California and
This report is part of a folio of maps of the Walker Lake 1o x 2o quadrangle, California and Nevada, prepared under the Conterminous United States Mineral Assessment Program. The folio includes geological, geochemical, and geophysical maps, as well as mineral resources assessment maps, which identify selected known or possible mineral-deposit environments in the quadrangle. The geochemical maps sh
Maps showing distribution of copper, lead, zinc, cadmium, and silver in samples of minus-60-mesh (0.25-MM) stream sediment and nonmagnetic heavy-mineral concentrate, Walker Lake 1 degree by 2 degrees Quadrangle, California and Nevada
This report is part of a folio of maps of the Walker Lake 1o x 2o quadrangle, California and Nevada, prepared under the Conterminous United States Mineral Assessment Program. The folio includes geological, geochemical, and geophysical maps, as well as mineral resources assessment maps, which identify selected known or possible mineral-deposit environments in the quadrangle. The geochemical maps sh
Filter Total Items: 68
Geochemical and mineralogical study of the Red Mountain porphyry copper-molybdenum deposit and vicinity, Santa Cruz County, Arizona
The Red Mountain porphyry copper-molybdenum deposit (Cu-Mo deposit or PCD) is located in the northern part of the Patagonia Mountains, Santa Cruz County, Arizona. Extensive core drilling has delineated a large, deep-seated, structurally intact mineral system that extends from the present surface to depths of more than 1,765 meters. This system is hosted in a thick complex of predominantly felsic t
Authors
Maurice Chaffee
Living in Yellowstone's Caldera: A geochemical trophic cascade in elk
Though the geology of earth's rare geothermal environments and their associated microbial communities are intensely studied, less scientific attention has focused on their potential effects through the plant-herbivore-carnivore trophic chain. The west-central portion of Yellowstone National Park contains a 2000-km2 volcanic caldera with 2- to 60-million-year-old, predominantly rhyolitic, rocks tha
Authors
Robert A. Garrott, P.J. White, James K. Otton, Maurice A. Chaffee
Abundance and distribution of selected elements in soils, stream sediments, and selected forage plants from desert tortoise habitats in the Mojave and Colorado deserts, USA
A baseline and background chemical survey was conducted in southeastern California, USA, to identify potential sources of toxicants in natural and anthropogenically-altered habitats of the threatened desert tortoise (Gopherus agassizii). Soil, stream sediment, and plant samples were collected from six tortoise habitat study areas in the Mojave and Colorado deserts and analysed for up to 66 differe
Authors
M. A. Chaffee, K.H. Berry
A Geochemical Trophic Cascade in Yellowstone's Geothermal Environments
We contrast the geochemistry of the Madison drainage, which has high concentrations of geothermal features, with the Lamar drainage of Yellowstone National Park, USA, and trace the consequences of geochemical differences through abiotic and biotic linkages in the ecosystem. Waters in the geothermal-dominated drainage contained anomalously high levels of fluoride (F) and silica (SiO2). Soils, strea
Authors
R.A. Garrott, L. E. Eberhardt, James K. Otton, P.J. White, Maurice A. Chaffee
Analytical results and sample locality map for rock, stream-sediment, and soil samples, Northern and Eastern Colorado Desert BLM Resource Area, Imperial, Riverside, and San Bernardino Counties, California
In 1996-1998 the U.S. Geological Survey (USGS) conducted a geochemical study of the Bureau of Land Management's (BLM) 5.5 million-acre Northern and Eastern Colorado Desert Resource Area (usually referred to as the NECD in this report), Imperial, Riverside, and San Bernardino Counties, southeastern California (figure 1). This study was done in support of the BLM's Coordinated Management Plan for th
Authors
Harley D. King, Maurice A. Chaffee
By
Analytical results and sample locality map for rock, stream-sediment, and soil samples, Northern and Eastern Colorado Desert BLM Resource Area, Imperial, Riverside, and San Bernardino counties, California
In 1996-1998 the U.S. Geological Survey (USGS) conducted a geochemical study of the Bureau of Land Management’s (BLM) 5.5 million-acre Northern and Eastern Colorado Desert Resource Area (usually referred to as the NECD in this report), Imperial, Riverside, and San Bernardino Counties, southeastern California (figure 1). This study was done in support of the BLM’s Coordinated Management Plan for th
Authors
Harley D. King, Maurice A. Chaffee
Analytical results and sample locality maps for rocks, stream-sediment, and soil samples, Joshua Tree National Park, Riverside and San Bernardino counties, California
No abstract available.
Authors
H. D. King, M. A. Chaffee
Analytical results and sample locality maps for rock, stream-sediment, and soil samples, Joshua Tree National Park, Riverside and San Bernardino counties, California
No abstract available.
Authors
H. D. King, M. A. Chaffee
Analytical results and sample locality maps for rock and stream-sediment samples, Chocolate Mountain Aerial Gunnery Range, Imperial and Riverside counties, California
No abstract available.
Authors
H. D. King, M. A. Chaffee
Geologic information and analytical results for samples of drill core from the Myszkow porphyry copper-molybdenum deposit, southern Poland
No abstract available.
Authors
M. A. Chaffee, R. G. Eppinger, Krzysztof Lason, Jadwiga Slosarz
Analytical results and sample locality maps for rock and stream-sediment samples, Chocolate Mountain Aerial Gunnery Range, Imperial and Riverside Counties, California
No abstract available.
Authors
H. D. King, M. A. Chaffee
Mineral-resource and environmental geochemistry of the Coconino National Forest, Coconino, Gila, and Yavapai counties, Arizona
No abstract available.
Authors
M. A. Chaffee, H. D. King
Science and Products
Data to accompany U.S. Geological Survey Scientific Investigations Report 2019-5077: Geochemical and mineralogical study of the Red Mountain porphyry copper-molybdenum deposit and vicinity, Santa Cruz County, Arizona
The dataset comprises analyses of core and surface samples collected in and around the Red Mountain porphyry Cu-Mo deposit, Santa Cruz County, Arizona. The dataset includes: analyses for 13 minerals in 245 core samples (Appendix 1); analyses for 44 elements in 818 core samples (Appendix 2); analyses for 54 elements in 122 rock samples (Appendix 3); analyses for 55 elements in 119 soil samples (App
Maps showing distribution of iron, cobalt, barium, strontium, arsenic, antimony, and bismuth in samples of minus-60-mesh (0.25-MM) stream sediment and (or) nonmagnetic heavy-mineral concentrate, Walker Lake 1 degree by 2 degrees Quadrangle, California and
This report is part of a folio of maps of the Walker Lake 1o x 2o quadrangle, California and Nevada, prepared under the Conterminous United States Mineral Assessment Program. The folio includes geological, geochemical, and geophysical maps, as well as mineral resources assessment maps, which identify selected known or possible mineral-deposit environments in the quadrangle. The geochemical maps sh
Maps showing distribution of copper, lead, zinc, cadmium, and silver in samples of minus-60-mesh (0.25-MM) stream sediment and nonmagnetic heavy-mineral concentrate, Walker Lake 1 degree by 2 degrees Quadrangle, California and Nevada
This report is part of a folio of maps of the Walker Lake 1o x 2o quadrangle, California and Nevada, prepared under the Conterminous United States Mineral Assessment Program. The folio includes geological, geochemical, and geophysical maps, as well as mineral resources assessment maps, which identify selected known or possible mineral-deposit environments in the quadrangle. The geochemical maps sh
Filter Total Items: 68
Geochemical and mineralogical study of the Red Mountain porphyry copper-molybdenum deposit and vicinity, Santa Cruz County, Arizona
The Red Mountain porphyry copper-molybdenum deposit (Cu-Mo deposit or PCD) is located in the northern part of the Patagonia Mountains, Santa Cruz County, Arizona. Extensive core drilling has delineated a large, deep-seated, structurally intact mineral system that extends from the present surface to depths of more than 1,765 meters. This system is hosted in a thick complex of predominantly felsic t
Authors
Maurice Chaffee
Living in Yellowstone's Caldera: A geochemical trophic cascade in elk
Though the geology of earth's rare geothermal environments and their associated microbial communities are intensely studied, less scientific attention has focused on their potential effects through the plant-herbivore-carnivore trophic chain. The west-central portion of Yellowstone National Park contains a 2000-km2 volcanic caldera with 2- to 60-million-year-old, predominantly rhyolitic, rocks tha
Authors
Robert A. Garrott, P.J. White, James K. Otton, Maurice A. Chaffee
Abundance and distribution of selected elements in soils, stream sediments, and selected forage plants from desert tortoise habitats in the Mojave and Colorado deserts, USA
A baseline and background chemical survey was conducted in southeastern California, USA, to identify potential sources of toxicants in natural and anthropogenically-altered habitats of the threatened desert tortoise (Gopherus agassizii). Soil, stream sediment, and plant samples were collected from six tortoise habitat study areas in the Mojave and Colorado deserts and analysed for up to 66 differe
Authors
M. A. Chaffee, K.H. Berry
A Geochemical Trophic Cascade in Yellowstone's Geothermal Environments
We contrast the geochemistry of the Madison drainage, which has high concentrations of geothermal features, with the Lamar drainage of Yellowstone National Park, USA, and trace the consequences of geochemical differences through abiotic and biotic linkages in the ecosystem. Waters in the geothermal-dominated drainage contained anomalously high levels of fluoride (F) and silica (SiO2). Soils, strea
Authors
R.A. Garrott, L. E. Eberhardt, James K. Otton, P.J. White, Maurice A. Chaffee
Analytical results and sample locality map for rock, stream-sediment, and soil samples, Northern and Eastern Colorado Desert BLM Resource Area, Imperial, Riverside, and San Bernardino Counties, California
In 1996-1998 the U.S. Geological Survey (USGS) conducted a geochemical study of the Bureau of Land Management's (BLM) 5.5 million-acre Northern and Eastern Colorado Desert Resource Area (usually referred to as the NECD in this report), Imperial, Riverside, and San Bernardino Counties, southeastern California (figure 1). This study was done in support of the BLM's Coordinated Management Plan for th
Authors
Harley D. King, Maurice A. Chaffee
By
Analytical results and sample locality map for rock, stream-sediment, and soil samples, Northern and Eastern Colorado Desert BLM Resource Area, Imperial, Riverside, and San Bernardino counties, California
In 1996-1998 the U.S. Geological Survey (USGS) conducted a geochemical study of the Bureau of Land Management’s (BLM) 5.5 million-acre Northern and Eastern Colorado Desert Resource Area (usually referred to as the NECD in this report), Imperial, Riverside, and San Bernardino Counties, southeastern California (figure 1). This study was done in support of the BLM’s Coordinated Management Plan for th
Authors
Harley D. King, Maurice A. Chaffee
Analytical results and sample locality maps for rocks, stream-sediment, and soil samples, Joshua Tree National Park, Riverside and San Bernardino counties, California
No abstract available.
Authors
H. D. King, M. A. Chaffee
Analytical results and sample locality maps for rock, stream-sediment, and soil samples, Joshua Tree National Park, Riverside and San Bernardino counties, California
No abstract available.
Authors
H. D. King, M. A. Chaffee
Analytical results and sample locality maps for rock and stream-sediment samples, Chocolate Mountain Aerial Gunnery Range, Imperial and Riverside counties, California
No abstract available.
Authors
H. D. King, M. A. Chaffee
Geologic information and analytical results for samples of drill core from the Myszkow porphyry copper-molybdenum deposit, southern Poland
No abstract available.
Authors
M. A. Chaffee, R. G. Eppinger, Krzysztof Lason, Jadwiga Slosarz
Analytical results and sample locality maps for rock and stream-sediment samples, Chocolate Mountain Aerial Gunnery Range, Imperial and Riverside Counties, California
No abstract available.
Authors
H. D. King, M. A. Chaffee
Mineral-resource and environmental geochemistry of the Coconino National Forest, Coconino, Gila, and Yavapai counties, Arizona
No abstract available.
Authors
M. A. Chaffee, H. D. King