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Sample VHNE-169N

NavDat sample number 5520 · MONZONITE

Sample

Sample IDVHNE-169N
Rock nameMONZONITE
Rock typePLUTONIC
CompositionFELSIC
MaterialIGNEOUS
Commentleucocratic quartz monzonite, Locally called alaskite. Pinkish-gray medium- to coarse-grained hypidiomorphic-granular to seriate porphyritic intrusive rock composed of 30 percent euhedral to resorbed oligoclase with albitized rims, 40 percent euhedral to anhedral orthoclase and microcline, 25 percent anhedral quartz. 2-3 percent subhedral to anhedral biotite, <1 percent subhedral to anhedral magnetite, and accessory apatite and zircon.

Location

Latitude32.4098
Longitude-110.55
LocationPinal County
State / provinceArizona

Age

Age (Ma)ErrorMinMaxGeologic ageDated by
54 48.9 59.1

Analyses

No chemical analyses are stored for this sample.

References