Craig A Johnson, Ph.D.
Craig Johnson is a Research Geologist with the Geology, Geophysics, and Geochemistry Science Center.
Craig attended Dartmouth (AB), Michigan (MS), and Yale (PhD). He held a NASA postdoc and a staff position at the American Museum of Natural History in New York prior to joining the USGS in 1992. Craig is responsible for a stable isotope laboratory in which isotopes of carbon, hydrogen, nitrogen, oxygen, and sulfur are measured in rocks, waters, gases, and biological materials. Craig studies ore genesis, environmental impacts of mining, the source and fate of solutes in natural waters and crustal fluids, the isotopic record of marine sulfate, and isotopic records of paleoenvironments.
Science and Products
Proterozoic low-Ti iron-oxide deposits in New York and New Jersey: Relation to Fe-oxide (Cu-U-Au-rare earth element) deposits and tectonic implications
Partitioning of zinc among common ferromagnesian minerals and implications for hydrothermal mobilization
Using gis and image processing technology to assist wetland planning, protection, and restoration in coastal Louisiana
Multiple temporal and spatial remote sensing data as inputs into a landcover resource geographic information system
Geology of the Buckingham stockwork molybdenum deposit and surrounding area, Lander County, Nevada
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.
Science and Products
Proterozoic low-Ti iron-oxide deposits in New York and New Jersey: Relation to Fe-oxide (Cu-U-Au-rare earth element) deposits and tectonic implications
Partitioning of zinc among common ferromagnesian minerals and implications for hydrothermal mobilization
Using gis and image processing technology to assist wetland planning, protection, and restoration in coastal Louisiana
Multiple temporal and spatial remote sensing data as inputs into a landcover resource geographic information system
Geology of the Buckingham stockwork molybdenum deposit and surrounding area, Lander County, Nevada
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.