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Sample Type is Igneous › Plutonic

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IGSN Sample Type Notes Location Number Thin Sections Storage Location
GRD040HS0 Intermediate Intrusive Plagioclase and Hornblende bearing mafic inclusion with trace pyroxene. Many inclusions in long pods or streamers. Colorado 0 Ritter 154, 29 J
GRD040IS0 Granodiorite Boulder Creek granodiorite, country rock. Colorado 0 Ritter 154, 29 J
GRD040JS0 Monzonite Silver Plume quartz monzonite. Colorado 0 Ritter 154, 29 J
GRD040LS0 Granodiorite Boulder Creek granodiorite. This is a darker than average facies. Colorado 0 Ritter 154, 29 J
GRD040MS0 Granodiorite Boulder Creek Granodiorite in satalitic pluton. Colorado 0 Ritter 154, 29 J
GRD040OS0 Granodiorite Boulder Creek Granodiorite, somewhat porphyroblastic. California 0 Ritter 154, 29 J
GRD040PS0 Monzonite Dike of Silver Plume Quartz Monzonite. Colorado 0 Ritter 154, 29 J
GRD040RS0 Monzonite Twin Spruce Quartz Monzonite. Colorado 0 Ritter 154, 29 J
GRD040SS0 Monzonite Twin Spruce Quartz Monzonite, a somewhat less leucocratic facies. Very little rock that does not have some slight iron staining. Colorado 0 Ritter 154, 29 J
GRD040TS0 Granodiorite Boulder Creek Granodiorite - quartz monzonite facies (see map figure 3). Somewhat foliated. Colorado 0 Ritter 154, 29 J
GRD040US0 Granodiorite grey, strongly foliated biotite-muscovite Bethlehem granodiorite; Bethlehem (originally mapped as Bethlehem gneiss) New Hampshire 0 Ritter 154, 29 I
GRD040VS0 Granodiorite strongly foliated biotite-muscovite granodiorite (Bethlehem granodiorite originally mapped as Bethlehem gneiss) New Hampshire 0 Ritter 154, 29 I
GRD040WS0 Granodiorite strongly foliated biotite-muscovite granodiorite (Bethlehem granodiorite originally mapped as Bethlehem gneiss) New Hampshire 0 Ritter 154, 29 I
GRD040XS0 Granodiorite strongly foliated biotite-muscovite granodiorite (Bethlehem granodiorite originally mapped as Bethlehem gneiss) New Hampshire 0 Ritter 154, 29 I
GRD040YS0 Granite grey, two-mica granite (Concord granite) New Hampshire 0 Ritter 154, 29 I
GRD040ZS0 Granodiorite strongly foliated biotite-muscovite granodiorite (Bethlehem granodiorite originally mapped as Bethlehem gneiss) New Hampshire 0 Ritter 154, 29 I
GRD0410S0 Granodiorite original: Kinsman garnet gneiss with large K-feldspar porphyroblasts. Mapped now as Kinsman granodiorite New Hampshire 0 Ritter 154, 29 I
GRD0411S0 Monzonite Leucocratic facies of Kinsman quartz monzonite (now mapped as Kinsman granodiorite) at specimen locality NHS-07. New Hampshire 0 Ritter 154, 29 I
GRD0412S0 Monzonite Kinsman quartz monzonite (now mapped as Kinsman granodiorite); garnet, Kspar New Hampshire 0 Ritter 154, 29 I
GRD0413S0 Granite Spaulding sillimanite-bearing granite (now mapped as part of Concord granite) New Hampshire 0 Ritter 154, 29 I
GRD0417S0 Diorite Hypersthene quartz diorite, Spaulding stage (now mapped as Spaulding Tonalite) New Hampshire 0 Ritter 154, 29 I
GRD0418S0 Granite Spotted Spaulding granite. This is not the major facies at this occurrence. It occurs as an irregular sill. The spotted aspect extends thru a variety of more mafic facies. Hand specimen provided by Dr. Lyon was imperative to the selection of the correct facies. New Hampshire 0 Ritter 154, 29 I
GRD0419S0 Intermediate Intrusive Ferrohypersthene garnet biotite tonalite, Spaulding stage (now mapped as Spaulding Tonalite) New Hampshire 0 Ritter 154, 29 I
GRD041AS0 Granite aplitic Concord granite New Hampshire 0 Ritter 154, 29 I
GRD041BS0 Granite Muscovite granite, Concord granite. Quite coarse grained facies. New Hampshire 0 Ritter 154, 29 I
GRD041CS0 Granite Two-mica granite, Concord granite. Relatively coarse facies. Lyons No. 107-74. New Hampshire 0 Ritter 154, 29 I
GRD041DS0 Monzonite Kinsman Quartz Monzonite (now mapped as part of Kinsman granodiorite) New Hampshire 0 Ritter 154, 29 I
GRD041ES0 Granodiorite Kinsman quartz monzonite (now mapped as Kinsman granodiorite) New Hampshire 0 Ritter 154, 29 I
GRD041FS0 Granite Dark facies of Concord Granite New Hampshire 0 Ritter 154, 29 I
GRD041GS0 Diorite Hornblende gabbro-diorite, Spaulding stage (now mapped as part of Spaulding tonalite) New Hampshire 0 Ritter 154, 29 I