Geology Reference
In-Depth Information
Exercise 9 • Subsidence 153
diagram (Figure 9.8). You may use those symbols identified
in the diagram, its caption, the questions above, or other
sources.
the regolith; below is limestone bedrock. Why does the
increase in width of the subsidence occur here?
10. Geologists use standard symbols for geologic materials
in most cross section diagrams, as in Figure 9.8. Draw and
identify below several of the geologic symbols for the
rocks and/or unconsolidated sediments shown in the block
Bibliography
DuMontelle, P. B., Bradford, S. C, Bauer, R. A., and Killey, M.
M., 1981, Mine subsidence in Illinois: Facts for the homeowner
considering insurance. Illinois Geological Survey, Environ-
mental Geology Notes 99,24 p.
Hynes, J. L. ed., 1986, Proceedings of the 1985 Conference on coal
mine subsidence in the Rocky Mountain Region: Colorado
Geological Survey Special Publication 31, 316 p.
Ireland, R. L., Poland, J. E, and Riley, F. S., 1984, Land subsidence
in the San Joaquin Valley, California, as of 1980: U.S. Geological
Survey Professional Paper 437-1,93 p.
Johnson, A. I., Moston, R. P., and Morris, D. A., 1968,
Physical and hydrologic properties of water-bearing deposits
in subsiding areas in central California in mechanics of
aquifer systems: U.S. Geological Survey Professional
Paper 497-A, 71 p.
Mullican, W. F. Ill, 1988, Subsidence and collapse at Texas salt
domes: The University of Texas at Austin Bureau of Eco-
nomic Geology, Geological Circular 88-2, 35 p.
Poland, J. E, 1970, Status of present knowledge and needs for
additional research on compaction of aquifer systems. In
Land Subsidence. Proceedings of Tokyo Symposium, Sept.
1969, LASH/AIHS UNESCO, p. 11-21.
Poland, J. F., 1971, Land subsidence in the Santa Clara Valley,
Alameda, San Mateo, and Santa Clara counties, California:
U.S. Geological Survey Open File Report (mF no. 336).
Poland, J. E, and Green, J. H., 1962, Subsidence in the Santa
Clara Valley, California: A progress report: U.S. Geological
Survey Water-Supply Paper 1619-C, 16 p.
Poland, J. E, and Ireland, R. L., 1988, Land subsidence in the
Santa Clara Valley, California, as of 1982: U. S. Geological
Survey Professional Paper 497-F, 61 p.
Turney, J. E., 1985, Subsidence above inactive coal mines: Informa-
tion for the homeowner. Colorado Geological Survey Special
Publication 26, 32 p.
USGS, 1996, Coalfields of the conterminous United States: USGS
Open-File Report OF 96-92. http://pubs.usgs.gov/of/
1996/of96-092/doc.htm
Wilson, A. M. and Gorelick, S., 1996, The effects of pulsed
pumping on land subsidence in the Santa Clara Valley,
California: journal of Hydrology, v. 174, p. 375-396.
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