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Sample Type is Igneous

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IGSN Sample Type Notes Location Number Thin Sections Storage Location
GRD02VCS0 Basalt Basalt flow (Alkali?) California 0 Camp Elliott
GRD02VDS0 Ignimbrite Bishop Tuff - lithic xxl - poorly indurated California 0 Ritter 154, 19 I
GRD02VES0 Ignimbrite Pinkish/white Bishop Tuff - lithic crystal - poorly indurated California 0 Ritter 154, 15 K
GRD02VES1 Ignimbrite Pinkish/white Bishop Tuff - lithic crystal - poorly indurated California 0 Ritter 154, 19 I
GRD02VKS0 Diorite Quartz Diorite, medium to coarse grained, anhedral, granular California 2 Camp Elliott
GRD02VLS0 Monzonite Float, Quartz Monzonite, slightly porphyritic California 0 Camp Elliott
GRD02VMS0 Gabbro Gabbro California 0 Camp Elliott
GRD02VNS0 Granodiorite Biotite hornblende granodiorite. From boulders in Mt. Palm Springs wash. Anza Borrego. 14 Jan 68 California 0 Camp Elliott
GRD02VOS0 Granite Granitoid? Biotite, Plag, Quartz, K-spar(?) California 0 Ritter 154, 15 E
GRD02VQS0 Diorite Quartz Diorite. Ritter Range volcanics, hypabyssal? California 1 Camp Elliott
GRD02VRS0 Dacite Dense - sheared, epidote(?) California 0 Camp Elliott
GRD02VSS0 Granodiorite Quartz, Plag, Biotite, Tonalite(?) California 0 Camp Elliott
GRD02VTS0 Granodiorite Partly gneissose biotite granodiorite. This is in the mixed zone California 0 Camp Elliott
GRD02VWS0 Granodiorite Coast Range Batholith collected 2/20/66 California 0 Camp Elliott
GRD02VXS0 Intermediate Intrusive Unknown origin and composition. California 1 Camp Elliott
GRD02VYS0 Intermediate Intrusive California 1 Camp Elliott
GRD02W0S0 Pyroxenite Clinopyroxenite California 2 Ritter 154, 29 F
GRD02W2S0 Latite Quartz Latite California 0 Camp Elliott
GRD02W2S1 Latite Quartz Latite California 0 Camp Elliott
GRD02W3S0 Rhyolite Rhyo-dacite cobble from exposures on sea cliff north of SIO pier. These cobbles form Poway fm cgl, the source was in Sonora Mexico California 0 Ritter 154, 15 G
GRD02W4S0 Igneous Interesting sample, not sure of mode of formation. Aphanitic, difficult to determine composition without thin section. California 0 Camp Elliott
GRD02W6S0 Basalt Nov-66 California 0 Camp Elliott
GRD02W8S0 Felsic Intrusive Aplite(?). Original Description: Schist pendant. Siliceous schist California 2 Camp Elliott
GRD02W9S0 Felsic Intrusive California 0 Camp Elliott
GRD02WAS0 Volcanic California 0 Camp Elliott
GRD02WBS0 Volcanic California 2 Camp Elliott
GRD02WCS0 Basalt Plagioclase bearing California 1 Ritter 154, 29 C
GRD02WDS0 Dacite California 1 Ritter 154, 29 C
GRD02WES0 Basalt Plagioclase and Olivine phenocryst bearing basalt with plag rich groundmass containing fine oxides California 1 Ritter 154, 29 C
GRD02WFS0 Mafic Extrusive GPS 011 California 1 Ritter 154, 29 C