Whitehall GeoGroup, Inc. utilizes an integrated approach to earth science in a diversity of projects including minerals remoteness work, geological review of properties, geologic mapping, hydrostratigraphy, oil and gas exploration, reservoir characterization, and minerals evaluation. Our continued efforts in research of continental sedimentation/ stratigraphic analysis have enabled WGI to provide cutting-edge expertise in these areas.
1984 Hanneman, D.L., Geologic map of the Mud Lake quadrangle, Beaverhead County, Montana: U.S. Geological Survey Map MF - 1696.
1984 Hanneman, D.L., Geologic map of the Wisdom quadrangle, Beaverhead County, Montana: U.S. Geological Survey Map MF - 1695.
1987 Hanneman, D.L., Geologic map of the Pine Hill quadrangle, Beaverhead County, Montana: U.S. Geological Survey MF-1930.
1987 Hanneman, D.L., Geologic map of the Pintler Lake quadrangle, Beaverhead County, Montana: U.S. Geological Survey MF-1931.
1996 O'Neill, J.M., Klepper, M.R., Smedes, H.W.,Hanneman, D.L., Frazer, G.D., and Mehnert, H.H., Geological map and cross sections of the central and southern Highland Mountains, southwestern Montana: U.S. Geological Survey Map I-2525.
1986 O'Neill, J.M., Ferris, D.C., Schmidt, C.J., and Hanneman, D.L., Recurrent movement along northwest trending faults, southern Highland Mountains, southwestern Montana: in A Guide to Belt Rocks: Roberts, Sheila, ed., Montana Bureau of Mines and Geology Special Publication 94, p.209-216.
1988 Foxworthy, B., Hanneman, D.L., Coffin, D.L., and Halstead, E.C., Hydrogeologic regions -Region 1, western mountain ranges: in Hydrogeology: Back, W., Rosenshein, J. S., and Seaber, P.R., eds., Decade of North American Geology, v. O-2., p.25-35.
1990 Hanneman, D.L., and Wideman, C.J., Paleosols: reflectors in continental sequences: Geophysics: The Leading Edge of Exploration, v.9, p.38-40.
1991 Hanneman, D.L., and Wideman, C.J., Sequence stratigraphy of Cenozoic continental rocks: Geological Society of America Bulletin, v.103, p.1335-1345.
1994 Hanneman, D.L., Wideman, C.J., and Halvorson, J., Calcic paleosols: their use in subsurface stratigraphy: American Association of Petroleum Geologists Bulletin, v. 78, p. 1360-1371.
2003 Hanneman, D.L., Cheney, E., Wideman, C.J., Cenozoic Sequence Stratigraphy of Northwestern USA: in - Cenozoic Systems of the Rocky Mountain Region, Raynolds, R.G and Flores, R.M. eds., Mountain SEPM Special Publication, p. 135-155.
2004 Wang, X., Wideman.C., Nichols, R., and Hanneman, D.L., Journal of Vertebrate Paleontology 24(2):445–452, June 2004.
2006 Hanneman, D.L., and Wideman, C.J., Calcic pedocomplexes—Regional sequence boundary indicators in Tertiary deposits of the Great Plains and western United States, in Alonso-Zarza, A.M., and Tanner, L.H., eds., Paleoenvironmental Record and Applications of Calcretes and Palustrine Carbonates: Geological Society of America Special Paper 416, p. 1– 15, doi: 0. 30/2006.24 6(0 ).
2009 Hanneman, D.L., and Wideman, C.J., Continental sequence stratigraphy and continental carbonates, in Carbonates in Continental Settings: Processes, Facies and Applications, In: A. J. van Loon, editor: Developments in Sedimentology, Vol 62, Carbonates in Continental Settings: Geochemistry, Diagenesis and Applications, A.M. Alonso-Zarza and L.H. Tanner. The Netherlands: Elsevier, 2010, pp. 215 – 273.Elsevier - contact firstname.lastname@example.org for a pdf of this chapter.
2002 Hanneman, D.L., Cheney, E., Wideman, C.J., Cenozoic Synthems of the Northwestern United States, GSA Abstracts with Programs Vol. 34, No. 6, September 2002.
2004 Hanneman, D.L., and Wideman, C.J., Ash fall tuff marker beds within Cenozoic basin-fill of Southwestern Montana: Geological Society of America, Abstract,national meeting, p. 72.
2005 Hanneman, D.L., and Wideman, C.J., Calcic paleosols - regional sequence boundary indicators in Cenozoic strata of southwestern Montana: American Association of Petroleum Geologists, Annual Meeting, Calgary, Alberta, Canada, June 2005.
2006 Hanneman, D.L., and Wideman, C.J., Sequence Stratigraphy and Paleosols in Continental Rocks – Examples from Cenozoic Deposits of the Great Plains and western USA: American Association of Petroleum Geologists, Regional meeting, Billings, Montana, June, 2006.
2009 Hanneman, D.L., and Wideman, C.J., Continental Sequence Stratigraphic Methods With Emphasis On Continental Carbonates, Geological Society of America Abstracts with Programs, Vol. 41, No. 7, p. 123
2010 Hanneman, D.L., and Wideman, C.J., Geological Society of America, Rocky Mountain sectional meeting abstract: White River Group Equivalents in Montana, Geological Society of America, Rocky Mountain Sectional Meeting, April, 2010.
AREAS OF EXPERTISE
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PALEOSOL INTERPRETATIONS - A primary focus of WGI's research is paleosol identification in continental strata. WGI's current research is focused on calcic paleosols, particularly calcic pedocomplexes.
CONTINENTAL SEDIMENTATION/STRATIGRAPHIC ANALYSIS - WGI research is directed towards the delineation of continental sedimentation patterns by various geological/geophysical techniques, and the development of sequence stratigraphic techniques as applied to continental deposits.
GEOLOGIC MAPPING - WGI specializes in geologic mapping of Cenozoic basin fill in the western United States. We have also recently completed numerous 1:24,000 scale geologic maps for geologic baseline studies of properties throughout western and central Montana. Some of our recent projects in Montana include:
Toston-Townsend area- WGI has compiled a geologic map of the Toston-Townsend valleys, southwestern Montana. This map includes the Sixmile Creek type section, and is available at the 1:100,000 scale (metric topographic). WGI is continuing geologic mapping in this area. Our emphasis is on mapping the stratigraphy/structure of Cenozoic deposits.
Rocker-Ramsey area - WGI has recently completed a geologic map of the Rocker - Ramsey area, southwestern Montana. This map is available at the 1:100,000 scale (metric topographic), and covers part of the upper Clark Fork Superfund area.
Sage Creek - Upper Ruby - Blacktail Valleys, Montana WGI has completed a geologic map of the Sage Creek - Upper Ruby - Blacktail valleys, southwestern Montana. This map is available at the 1:100,000 scale (metric topographic). A report accompanies this map; the report includes unpublished age dates (radiometric/vertebrate land mammal ages) and lithologic descriptions of the Cenozoic strata.
GIS EARTH SCIENCE APPLICATIONS - A recent WGI project is the compilation of vertebrate fossil sites and their associated fossil assemblages found on public lands within Beaverhead and Madison counties, Montana. The fossil site compilation is in ArcView 3.2 format, and was completed for the Bureau of Land Management Dillon Resource Office in Dillon, Montana. Project components include several 100k land grids, associated 100k land ownership grids, and fossil assemblage/ general collection database files. Contact us at: firstname.lastname@example.org for further information on this project.
HIGH RESOLUTION SEISMIC REFLECTION/ REFRACTION DATA ACQUISITION AND INTERPRETATION - WGI performs shallow seismic data acquisition/interpretation. Our work in this area has been focused on developing acquisition parameters and interpretation techniques for Cenozoic continental basin-fill.
GEOLOGICAL REVIEW OF REAL ESTATE PROPERTY - WGI provides field work and report summaries of properties in southwestern Montana for private parties in order to meet due diligence and county planning regulations.
CONSERVATION EASEMENT MINERAL REMOTENESS EVALUATION - WGI offers field work and report preparation services for mineral remoteness evaluations. We have completed over 150 evaluations of Montana properties for various conservation organizations and private parties.
VIRTUAL GEOLOGY FIELDTRIPS - WGI is currently developing virtual geological field trips in a multimedia cd-rom format. Our first field trip encompasses the Whitehall, Montana area. Link here to read about the Whitehall area fieldtrip. Our second virtual field trip is on Southwestern Montana Geology.