Description
This Area Was Previously Prospected By The Japanese, But In 1938-39 Was Considered To Be Of No Commercial Interest.
Commodities
PrimaryGold
SecondaryCopper
Commodity typeM
Deposit
Model154: Epithermal quartz-alunite Au
Deposit sizeN
Orebody formOTHER (>100 MINERALIZED VIENS AND SHEAR ZONES OVER AN AREA 1 X 1.5KM IN SIZE)
Ore controlMineralized Veins, Shear Zones, And Brecciated Areas
Materials
Ore mineralsChalcopyrite, Electrum, Gold, Pyrite
Geology
Host rockAndesite · Airai Formation; Babelthuap Formation
Associated rockAndesite · Babelthuap Formation
Tectonic settingPalau Arc Is An Intra-Oceanic Island Arc-Trench System Separating The Pacific And Philippine Plates In The Western Pacific Ocean. It Is The Southernmost Of A Series Of Arc-Trench Systems (Including Yap, Mariana, And Bonin-Izu Systems).
Economic & production
Development statusOccurrence
Identification
Deposit ID10086430
MRDS IDWA00001
RegionOC
Data scoreB
Coordinates7.382, 134.59486
References
MILLER, W.R., RYTUBA, J.J., ARNOLD, M.A., AND VERCOUTERE, T.L., 1989, INVESTIGATION OF THE ROIS MALK EPITHERMAL GOLD SYSTEM, REPUBLIC OF PALAU: U.S. GEOLOGICAL SURVEY BULLETIN 1872, 85P. PLUS 3 PLATES.RYTUBA, J.J., MILLER, W.R., AND STEWART, J.H., 1985, ROIS MALK EPITHERMAL GOLD SYSTEM, REPUBLIC OF PALAU: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 85-606, 6P.RYTUBA, J.J., MILLER, W.R., AND MCKEE E.H., 1987, EPITHERMAL GOLD MINERALIZATION IN THE REPUBLIC OF PALAU: IN U.S. GEOLOGICAL SURVEY CIRCULAR 995 (MCKELVEY FORUM ABSTRACTS, 1987), P. 59-60.USGS BULLETIN 1872 (1989USGS BULLETIN 1872 (1989)