Geological Teaching Collection

  1. Database Home

Search Results

Sample Type is Igneous › Plutonic

621 records | Download
IGSN Sample Type Notes Location Number Thin Sections Storage Location
GRD02POS0 Anorthosite Large plagioclase feldspar with trace interstital green pyroxene. Original label: Syenite? California 2 Ritter 154, 16 F
GRD02PPS0 Anorthosite Large plagioclase feldspar with trace interstital green pyroxene and magnetite. Original label: Syenite? California 2 Ritter 154, 16 F
GRD02PQS0 Pyroxenite Very dense ultramafic sample composed of magnetite and green pyroxene. Original label: Ultramafic-syenite? Layered ultramafic rock. California 3 Ritter 154, 16 L
GRD02PRS0 Pyroxenite Very dense ultramafic sample composed of feldspar, magnetite, and green pyroxene. Original label: Jatunite (?). California 2 Ritter 154, 16 L
GRD02PSS0 Pyroxenite Very dense ultramafic sample composed of feldspar, magnetite, and green pyroxene. Original label: Jatunite (?). California 2 Ritter 154, 16 L
GRD02Q0S0 Gabbronorite Coarsely crystalline with pyroxene and plagioclase California 2 Ritter 154, 29 F
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
GRD02Q5S0 Granodiorite Giant Forest Pluton (Kspar, Q, biotite) California 0 Ritter 154, 15 O
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