Shown on geologic sketch map of Mt. Tallac roof remnant in Fallen Leaf Lake 15' quad, El Dorado Co, CA. Intrudes Triassic(?) and Jurassic metasedimentary and metavolcanic rocks. Aureole of Dicks Lake granodiorite overlaps aureole of older Camper Flat granodiorite.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
Composed of hornblende-biotite granodiorite which is exposed continuously about 10 sq mi in northwestern part of Fallen Leaf Lake 15' quad, El Dorado Co, CA. Covers additional 2 sq mi west of Highland Lake where it is bounded by Wrights Lake granodiorite, Rockbound Valley granodiorite and small septum of metasedimentary rocks. Intruded by Rockbound Valley granodiorite, Phipps Pass granodiorite, Wrights Lake granodiorite, and Dicks Lake granodiorite. Intrudes early gabbros and diorites and Pyramid Peak granite. Shown on map of quad as of Cretaceous age.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
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