Mine detail: Horn Mountain

Previously called ''

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Location

Lat / long: 61.9796, -147.50266

Resource(N)

Primary: Zeolites
Ore: Heulandite, Laumontite, Mordenite

Production

Operation type: Unknown
Development status: Occurrence

Geology

Alteration processes:Mordenite is an alteration product of volcanic sandstones and replacement of glassy shards of vitric tuffs (Hawkins, 1973).

References

MRDSA011682
DEP10001010
Reference{Deposit:: Hawkins, D.B., 1973, Sedimentary zeolite deposits of the Upper Matanuska Valley: Alaska Division of Geological and Geophysical Surveys Special Report 6, 17 p., 1 sheet, scale 1:63,360.}{Deposit:: Hawkins, D.B., 1976, Commercial-grade mordenite deposits of the Horn Mountains, South-central Alaska: Alaska Division of Geological and Geophysical Surveys Special Report 11, 11 p., 1 sheet, scale 1:15,840.}{Deposit:: MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous and selected non-metalliferous mineral deposits in the eastern part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-A, 99 p., 1 sheet, scale 1:1,000,000.}{Deposit:: Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials in Anchorage quadrangle, Alaska: U.S. Geological Survey Open-File Report 79-1095, 184 p.}
ReporterS.W. Huss, D.P. Bickerstaff