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Sample Type is Igneous › Plutonic › Felsic Intrusive

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IGSN Sample Type Notes Location Number Thin Sections Storage Location
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
GRD02QIS0 Syenite Possibly potassic shonkinite to syenite series. Seems identical to I-663 California 2 Ritter 154, 15 D
GRD02QJS0 Syenite Possibly potassic shonkinite to syenite series, fine grained California 2 Ritter 154, 15 D
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
GRD02RUS0 Monzonite Two hand samples and two billets California 3 Ritter 154, 3 E
GRD02SDS0 Granite Likely part of cumulate series from near Champlain mountain. Subhedral Kspar, Q and hornblende. Maine 0 Ritter 154, 19 C
GRD02U4S0 Felsic Intrusive Fine grain intrusive. Unknown origin. Quartz - Ksp - Mica California 1 Camp Elliott
GRD02USS0 Felsic Intrusive Intrusive sill into gabbro that underlies Santiago Peak breccia. California 2 Camp Elliott
GRD02VLS0 Monzonite Float, Quartz Monzonite, slightly porphyritic California 0 Camp Elliott
GRD02VOS0 Granite Granitoid? Biotite, Plag, Quartz, K-spar(?) California 0 Ritter 154, 15 E