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Sample Type is Igneous › Plutonic › Felsic Intrusive › Granite

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IGSN Sample Type Notes Location Number Thin Sections Storage Location
GRD02NAS0 Granite Granite. Original description: Pendant of layered quartzite and shale in granites. (original description likely for different sample)at Lake Ellery and Tioga Pass Road California 0 Ritter 154, 19 B
GRD02OVS0 Granite Small sample of fine to medium-grained pink granite. Original label: Granitic aplite dikes intrusive into meta-tuffs Calif 1039-1041. California 1 Camp Elliott
GRD02PJS0 Granite Cut slab of porphyritic granite. Megacrysts of plagioclase. California 4 Ritter 154, 15 B
GRD02Q2S0 Granite Large (2 cm) pink orthoclase crystals, quartz, biotite. 0 Ritter 154, 19 B
GRD02Q3S0 Granite California 0 Ritter 154, 15 A
GRD02Q3S1 Granite California 0 Ritter 154, 19 B
GRD02Q4S0 Granite Kspar>Q>plag California 0 Ritter 154, 15 B
GRD02Q4S1 Granite Kspar>Q>plag California 0 Ritter 154, 19 B
GRD02Q4S2 Granite Kspar>Q>plag California 0 Ritter 154, 19 B
GRD02Q4S3 Granite Kspar>Q>plag California 0 Ritter 154, 19 B
GRD02Q6S0 Granite pink granite with small mafic enclave Seychelles 0 Ritter 154, 15 A
GRD02Q7S0 Granite probably Cathedral Peak granodiorite (granite) California 0 Ritter 154, 19 B
GRD02Q7S1 Granite probably Cathedral Peak granodiorite (granite) California 0 Ritter 154, 15 B
GRD02Q8S0 Granite California 0 Ritter 154, 15 B
GRD02Q9S0 Granite fine-grained granite, Westerly Granite Rhode Island 0 Ritter 154, 19 C
GRD02QAS0 Granite California 1 Ritter 154, 15 B
GRD02QBS0 Granite fresh, possible rutile or sphene California 0 Ritter 154, 19 C
GRD02QCS0 Granite Sherman Granite (Kspar,Q,Plag,Hb,Bi) Wyoming 0 Ritter 154, 15 B
GRD02QCS1 Granite Sherman Granite (Kspar,Q,Plag,Hb,Bi) Wyoming 0 Ritter 154, 19 B
GRD02QCS2 Granite Sherman Granite (Kspar,Q,Plag,Hb,Bi) Wyoming 0 Ritter 154, 19 B
GRD02QCS3 Granite Sherman Granite (Kspar,Q,Plag,Hb,Bi) Wyoming 0 Ritter 154, 19 B
GRD02QCS4 Granite Sherman Granite (Kspar,Q,Plag,Hb,Bi) Wyoming 0 Ritter 154, 19 B
GRD02QDS0 Granite Muscovite biotite granite, fine grained. 0 Ritter 154, 19 C
GRD02QES0 Granite aplitic granite, very fine grained, Boulder County, Colorado. West of Boulder 0 Ritter 154, 15 B
GRD02QKS0 Granite Medium to coarse grained California 1 Ritter 154, 15 B
GRD02QPS0 Granite California 4 Ritter 154, 15 B
GRD02RLS0 Granite Cummulate Tourmaline(Schorlite) bearing pegmatite. Off-white subhedral Plagioclase(1-2 cm) forming cumulate band in rock. Gray vitreous anhedral Quartz(0.5-2 cm). Light pink/yellow subhedral K-spar (1-5 mm). Black sub/euhedral Schorlite (1 mm - 1 cm) forming cummulate band adjacent to Plagioclase band. 4 Ritter 154, 3 F
GRD02SDS0 Granite Likely part of cumulate series from near Champlain mountain. Subhedral Kspar, Q and hornblende. Maine 0 Ritter 154, 19 C
GRD02VOS0 Granite Granitoid? Biotite, Plag, Quartz, K-spar(?) California 0 Ritter 154, 15 E
GRD02WLS0 Granite Sulfide bearing granitic rock. Oligoclase, K-spar, Quartz, Biotite with chalcopyrite and other sulfide minerals California 0 Ritter 154, 15 B