|Quadrangle map, 1:250,000-scale||CH|
|Quadrangle map, 1:63,360-scale||C-5|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||The location of the reference point is speculative because the location of the occurrence is described only as being on a right-limit tributary of Phoebe Creek. The reference point is near a cabin shown on the topographic map on a large right-limit tributary of Phoebe Creek opposite the mouth of Mellow Creek (NE1/4 sec. 29, T. 32 N., R. 7 W., of the Fairbanks Meridian). The location is accurate within a 1-mile radius.|
Geologic descriptionReed (1938) reported that there is no record of prospecting on Phoebe Creek itself but that very good prospects were found on a right-limit tributary by Manual Mello in the early days 1900s. No other information is available on this occurrence. The occurrence is in an area underlain by Ordovician to Cambrian(?) feldspar-quartz schist, which has been intruded by biotite granite gneiss and aplite phases of the Devonian Baby Creek batholith (Dillon and others, 1996). Calcareous and siliceous hornfels have been developed near the intrusive contacts, and this entire assemblage is in thrust contact with Lower Paleozoic to Proterozoic units that are predominantly banded quartzite and graphitic schist.
|Geologic map unit||(-149.142747192945, 67.569598616895)|
|Mineral deposit model||Placer Au (Cox and Singer, 1986; model 39a)|
|Mineral deposit model number||39a|
|Age of mineralization||Quaternary.|
|Indication of production||None|
Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Chandalar and Wiseman quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-340, 205 p.
Cobb, E.H., and Cruz, E.L., 1983, Summaries of data and lists of references to metallic and selected nonmetallic mineral deposits in the Chandalar quadrangle, Alaska: U.S. Geological Survey Open-File Report 83-278, 91 p.
DeYoung, J.H., Jr., 1978, Mineral resources map of the Chandalar quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-878-B, 2 sheets, scale 1:250,000.
Dillon, J.T., Reifenstuhl, R.R., and, Harris, G.W., 1996, Geologic map of the Chandalar C-5 quadrangle, southeastern Brooks Range, Alaska: Alaska Division of Geological and Geophysical Surveys Professional Report 104, 2 sheets, scale 1:63,360.
Heiner, L.E., and Wolff, E.N., eds., 1968, Mineral resources of northern Alaska, Final report, submitted to the NORTH Commission: University of Alaska, Mineral Industry Research Laboratory Report No. 16, 306 p.
Maddren, A.G., 1910, The Koyukuk-Chandalar gold region: U.S. Geological Survey Bulletin 442-G, p. 284-315.
Maddren, A.G., 1913, The Koyukuk-Chandalar region, Alaska: U.S. Geological Survey Bulletin 532, 119 p.
|Reporters||J.M. Britton (Anchorage)|
|Last report date||11/17/1999|