Jean M Morrison
Jean Morrison is a Research Geologist with the Geology, Geophysics, and Geochemistry Science Center.
Science and Products
Filter Total Items: 16
Simultaneous Speciation of Arsenic, Selenium, and Chromium by HPLC-ICP-MS Simultaneous Speciation of Arsenic, Selenium, and Chromium by HPLC-ICP-MS
An adaptation of an analytical method developed for chromium speciation has been utilized for the simultaneous determination of As(III), As(V), Se(IV), Se(VI), Cr(III), and Cr(VI) species using high performance liquid chromatography (HPLC) separation with ICP-MS detection. Reduction of interferences for the determination of As, Se, and Cr by ICP-MS is a major consideration for this...
Authors
Ruth E. Wolf, Suzette A. Morman, Jean M. Morrison, Paul J. Lamothe
Major- and trace-element concentrations in soils from northern California: Results from the Geochemical Landscapes Project pilot study Major- and trace-element concentrations in soils from northern California: Results from the Geochemical Landscapes Project pilot study
In 2004, the U.S. Geological Survey (USGS), the Geological Survey of Canada (GSC), and the Mexican Geological Survey (Servicio Geologico Mexicano, or SGM) initiated pilot studies in preparation for a soil geochemical survey of North America called the Geochemical Landscapes Project. The purpose of this project is to provide a better understanding of the variability in chemical...
Authors
Jean M. Morrison, Martin B. Goldhaber, JoAnn M. Holloway, David B. Smith
Major- and trace-element concentrations in soils from two continental-scale transects of the United States and Canada Major- and trace-element concentrations in soils from two continental-scale transects of the United States and Canada
This report contains major- and trace-element concentration data for soil samples collected from 265 sites along two continental-scale transects in North America. One of the transects extends from northern Manitoba to the United States-Mexico border near El Paso, Tex. and consists of 105 sites. The other transect approximately follows the 38th parallel from the Pacific coast of the...
Authors
David B. Smith, William F. Cannon, Laurel G. Woodruff, Robert G. Garrett, Rodney Klassen, James E. Kilburn, John D. Horton, Harley D. King, Martin B. Goldhaber, Jean M. Morrison
Early Proterozoic ties between two suspect terranes and the Mojave crustal block of the Southwestern U.S Early Proterozoic ties between two suspect terranes and the Mojave crustal block of the Southwestern U.S
Southern California and adjacent areas contain two suspect or exotic terranes comprised largely of ancient continental crust, namely the Tujunga (San Gabriel) and Joshua Tree terranes, that have been considered part of a larger displaced terrane, the Santa Lucia-Orocopia allochthon. Paleomagnetic data for the allochthon indicate northward transport in excess of 2000 km and, thus, an...
Authors
E. Erik Bender, Jean Morrison, J. Lawford Anderson, Joseph L. Wooden
Science and Products
Filter Total Items: 16
Simultaneous Speciation of Arsenic, Selenium, and Chromium by HPLC-ICP-MS Simultaneous Speciation of Arsenic, Selenium, and Chromium by HPLC-ICP-MS
An adaptation of an analytical method developed for chromium speciation has been utilized for the simultaneous determination of As(III), As(V), Se(IV), Se(VI), Cr(III), and Cr(VI) species using high performance liquid chromatography (HPLC) separation with ICP-MS detection. Reduction of interferences for the determination of As, Se, and Cr by ICP-MS is a major consideration for this...
Authors
Ruth E. Wolf, Suzette A. Morman, Jean M. Morrison, Paul J. Lamothe
Major- and trace-element concentrations in soils from northern California: Results from the Geochemical Landscapes Project pilot study Major- and trace-element concentrations in soils from northern California: Results from the Geochemical Landscapes Project pilot study
In 2004, the U.S. Geological Survey (USGS), the Geological Survey of Canada (GSC), and the Mexican Geological Survey (Servicio Geologico Mexicano, or SGM) initiated pilot studies in preparation for a soil geochemical survey of North America called the Geochemical Landscapes Project. The purpose of this project is to provide a better understanding of the variability in chemical...
Authors
Jean M. Morrison, Martin B. Goldhaber, JoAnn M. Holloway, David B. Smith
Major- and trace-element concentrations in soils from two continental-scale transects of the United States and Canada Major- and trace-element concentrations in soils from two continental-scale transects of the United States and Canada
This report contains major- and trace-element concentration data for soil samples collected from 265 sites along two continental-scale transects in North America. One of the transects extends from northern Manitoba to the United States-Mexico border near El Paso, Tex. and consists of 105 sites. The other transect approximately follows the 38th parallel from the Pacific coast of the...
Authors
David B. Smith, William F. Cannon, Laurel G. Woodruff, Robert G. Garrett, Rodney Klassen, James E. Kilburn, John D. Horton, Harley D. King, Martin B. Goldhaber, Jean M. Morrison
Early Proterozoic ties between two suspect terranes and the Mojave crustal block of the Southwestern U.S Early Proterozoic ties between two suspect terranes and the Mojave crustal block of the Southwestern U.S
Southern California and adjacent areas contain two suspect or exotic terranes comprised largely of ancient continental crust, namely the Tujunga (San Gabriel) and Joshua Tree terranes, that have been considered part of a larger displaced terrane, the Santa Lucia-Orocopia allochthon. Paleomagnetic data for the allochthon indicate northward transport in excess of 2000 km and, thus, an...
Authors
E. Erik Bender, Jean Morrison, J. Lawford Anderson, Joseph L. Wooden