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Sample 7-55ct

NavDat sample number 8104 · GRANITE

Sample

Sample ID7-55ct
Alternate ID64
Rock nameGRANITE
Rock typePLUTONIC
CompositionFELSIC
MaterialIGNEOUS

Location

Latitude36.7533
Longitude-118.277
State / provinceCalifornia
Plutondike
Location commentgranite porphyry Golden Bear Dike Moore 1963, Moore 1981, SE corner of Mt. Pinchot quadrangle, 6,400 ft ridge top N of Symmes Creek

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
84 75.6 92.4

Analyses

Mineral

ItemValueStd. dev.UnitMethod
U238_ACT711MS-ID
PB7.71PPMMS-ID

References