Athero (near Lance Point) (ARDF #JU062) Th, U

Athero (near Lance Point)

Prospect, Inactive

Commodities and mineralogy

Main commodities	Th; U

Geographic location

Quadrangle map, 1:250,000-scale	JU
Quadrangle map, 1:63,360-scale	C-4
Latitude	58.7337
Longitude	-135.2349
Nearby scientific data	Find additional scientific data near this location
Location and accuracy	The Athero prospect is at Lance Point on Lynn Canal. It is in the W1/2 section 22, T. 36 S., R. 61 E. of the Copper River Meridian. The location is accurate within 1/2 mile.

Geologic setting

Geologic description The general area is underlain mainly by Silurian and Devonian graywacke and argillite and Middle Devonian carbonate, clastic and volcanic rocks (MacKevett and others, 1971; Brew and others, 1978). The host rocks at this prospect are Silurian graywacke and Devonian and Silurian greenstone intruded by small bodies of Cretaceous quartz monzonite and syenite (Clough and Redman, 1989). Eakins (1975) describes potential uranium-thorium mineralization and Wells and others (1986) report a lode claim at this site. The U.S. Bureau of Mines sampled a quartz vein but it did not contain any elevated metal values (Clough and Redman, 1989) Alaska Kardex file 112-109 shows a uranium claim at this site.
Geologic map unit	(-135.23671385481, 58.7333700192042)

Geologic description

The general area is underlain mainly by Silurian and Devonian graywacke and argillite and Middle Devonian carbonate, clastic and volcanic rocks (MacKevett and others, 1971; Brew and others, 1978). The host rocks at this prospect are Silurian graywacke and Devonian and Silurian greenstone intruded by small bodies of Cretaceous quartz monzonite and syenite (Clough and Redman, 1989). Eakins (1975) describes potential uranium-thorium mineralization and Wells and others (1986) report a lode claim at this site. The U.S. Bureau of Mines sampled a quartz vein but it did not contain any elevated metal values (Clough and Redman, 1989) Alaska Kardex file 112-109 shows a uranium claim at this site.

Geologic map unit

(-135.23671385481, 58.7333700192042)

Production and reserves

Workings or exploration	Surface sampling.
Indication of production	None
Additional comments The Lucky Six (JU057) , William Henry (JU060), Kings View (JU058), Athero (JU062), and an unnamed occurrence (JU059) are on the flanks of William Henry Mountain and have been collectively referred to as the William Henry prospect or as being in the William Henry area.

References

References Brew, D.A., Johnson, B.R., Grybeck, D., Griscom, A., Barnes, D.F., Kimball, A.L., Still, J.C., and Rataj, J.L., 1978, Mineral resources of the Glacier Bay National Monument Wilderness Study Area, Alaska: U.S. Geological Survey Open-File Report 78-494, 670 p., 7 sheets. Clough, A.H., and Redman, E.C., 1989, Bureau of Mines mineral investigations in the Juneau mining district, Alaska, 1984-1988, Volume 2, Detailed mine, prospect, and mineral occurrence descriptions, Section C, West Lynn Canal subarea: U.S. Bureau of Mines of Mines Special Publication, 44 p. Eakins, G.R., 1975, Uranium investigations in southeastern Alaska: Alaska Division of Geological and Geophysical Surveys Geologic Report 44, 62 p. MacKevett, E.M., Jr., Brew, D.A., Hawley, C.C., Huff, L.C., and Smith, J.G., 1971, Mineral resources of Glacier Bay National Monument, Alaska: U.S. Geological Survey Professional Paper 632, 90 p., 12 plates, scale 1:250,000. Wells, D.E., Pittman, T.L., Brew, D.A. and Douglass, S.L., 1986, Map and description of the mineral deposits in the Juneau, Taku River, Atlin, and part of the Skagway quadrangles, Alaska: U.S. Geological Survey Open-File Report 85-717, 332 p., 1 sheet, scale 1:250,000.
Reporters	J.C. Barnett and L.D. Miller (Juneau, Alaska )
Last report date	12/15/2001