Collins, W., Chang, S., Raines, G., Canney, F., and 
Ashley, R., 1983, Airborne biogeophysical mapping of 
hidden mineral deposits: Econ. Geol., v.78, p.737-749. 
Cox, D.P. and Singer, D.A., editors, 1986, Mineral deposit 
models: U.S. Geological Survey Bulletin 1693. 
Dick, L.A., Ossandon, G., Fitch, R.G., Swift, C.M., and 
Watts, A., 1993, Discovery of blind copper mineralization 
at Collahuasi, Chile, in program and abstr., Integrated 
methods in exploration and discovery, Society of Eco- 
nomic Geologists, Littleton, p.AB-21-23. 
Einaudi, M.T., Meinert, L.D., and Newberry, R.J., 1981, 
Skarn deposits: Econ. Geol., 75th anniversary volume, p. 
317-391. 
Eiswerth, B.A., Milton, N.M., and Mouat, D.A., 1989, 
Spectral reflectance changes in vegetation associated with 
anomalous concentrations of metallic elements: a poten- 
tial tool for mineral exploration [abs.], McKelvey Forum, 
January 1989, Reno, Nevada, U.S. Geological Survey Cir. 
1035:15-16. 
Graybeal, F.T., 1981, Characteristics of disseminated 
silver deposits in the western U.S. in Dickinson, W.R. and 
Payne, W.D., ed., Relations of tectonics to ore deposits in 
the southern cordillera: Arizona Geological Society Di- 
gest, v. XIV, p.271-282. 
Gustafson, L.B., and Hunt, J.P., 1975, The porphyry 
copper deposit at El Salvador, Chile: Econ. Geol., v.70, 
p.857-912. 
Hollister, V.F., 1978, Geology of the porphyry copper 
deposits of the western hemisphere:Soc.for Mining, Met- 
allurgy, and Exploration, New York, 218 p. 
Hunt, G.R., 1982, Spectroscopic Properties of Rocks and 
Minerals in Carmichael, R.S., ed., Handbook of Physical 
Properties of Rocks: Boca Raton, CRC Press, v. 1, p. 295- 
385. 
Hunt, G.R., and Ashley, R.P., 1979, Spectra of altered 
rocks in the visible and near infrared: Econ. Geol., v. 74, 
p. 1613-1629. 
Keith, J.D., Christiansen, E.H., and Carten, R.B., 1993, 
The genesis of giant porphyry molybdenum deposits: 
Society of Econ. Geologists, special pub. No.2, p.285-318. 
Kruse, F.A., 1989, Spectral mapping with Landsat The- 
matic Mapper and imaging spectroscopy for precious 
metals exploration in Proceed. 7th Thematic Conf. on 
Remote Sensing for Explor. Geol, Calgary, Alberta, 
Canada, Oct. 2-6, p.17-28. 
Lee, K., and Raines, G.L., 1984, Reflectance spectra of 
648 
some alteration minerals - a chart compiled from pub- 
lished data: U.S.Geol.Sur. Open File Rep. 84-96, 6 p. 
Milton, N.M., 1983, Use of reflectance spectra of native 
plant species for interpreting airborne multispectral Scan- 
ner data in the east Tintic Mountains, Utah: Econ. Geol. 
v. 78, p. 761-769. 
Pierce, F.W., and Bolm, J.G., editors, 1995, Porphyry 
copper deposits of the American Cordillera: Arizona 
Geological Society Digest 20, 656p. 
Raines, G.L., and Canney, F.C., 1980, Vegetation and 
geology in Siegal, B.S. and Gillespie, A.R., edit., Remote 
Sensing in Geology, John Wiley and Sons, New York, 
N.Y., p. 365-380. 
Romberger, S.B., 1986, Disseminated gold deposits: Geo- 
science Canada, v. 13, No. 1, Reprint Series 3, p. 21-30. 
Rose, A.W., 1970, Zonal relations of wallrock alteration 
and sulfide distribution at porphyry copper deposits: Econ, 
Geol., v. 63, p.920-936. 
Rowan, L.C., 1983, Near-infrared iron absorption bands: 
applications to geologic mapping and mineral explora- 
tion, in Watson and Regan, ed., Remote Sensing, Society 
of Exploration in Geophysicists, Reprint Series, no.3, p. 
250-268. 
Schafer, R. W., Cooper, J.J., and Vikre, P.G., editors, 1988, 
Bulk mineable precious metal deposits of the western 
U.S., symposium proceed., Geological Society of Nevada, 
Reno, Nevada, April 6-8, 1987, 755 p. 
Schroeter, T.G., editor, 1995, Porphyry deposits of the 
northwestern Cordillera of North America: Canadian Inst. 
of Mining, special vol.46, 888p. 
Shawe, 1988, Introduction - the case for gold, in Shawe, 
D.R., Ashley, R.P., and Carter, L.M., eds, Geology and 
resources of gold in the United States: U.S. Geological 
Survey Bulletin 1857-A, p. A1-AS. 
Sillitoe, R.H., 1973, The tops and bottoms of porphyry 
copper deposits: Econ. Geol., v.68, p.799-815. 
Sillitoe, R.H., 1993, Giant and bonanza gold deposits in 
the epithermal environment: Society of Econ. Geologists, 
special pub. No.2, p.125-156. 
Spatz, D.M., 1992, Remote sensing applied to porphyry 
copper exploration, in Porphyry copper model: Tucson 
and Spokane, Northwest Mining Association short course, 
40 p. 
Spatz, D.M., and Taranik, J. V., 1989, Regional analysisof 
Tertiary volcanic calderas (Western U.S.) using Landsat 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B7. Vienna 1996