Reconnaissance petrographic cross section of the Idaho batholith in Adams and Valley Counties, Idaho
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Abstract
Plates are In pocket] PLATE 1. Reconnaissance geologic map of the west-central part of the Idaho batholith.2. Mineral-variation curves and rock-variation diagrams.Page FIGURE 1. Index map of Idaho.__--__._...___.___.___________._____G3 2. Assignment of rock names on an Ab-An-Kf diagram_______ 3. Polished thick slices from the gradational rock sequence across the Idaho batholith_________________________:________ 4. Symbolic representation of the average mode of each of five rock types_________-_____---____--___---___-_----___ 5. Two adjacent atypical rocks in the migmatite of McCall._ _ __ 6. Atypical rock rich in potassium feldspar in the migmatite of McCall...