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Sample Type is Igneous

1,592 records | Download
IGSN Sample Type Notes Location Number Thin Sections Storage Location
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
GRD041HS0 Granodiorite Garnet-rich Kinsman stage. (mapped as Kinsman granodiorite) Note that garnets are partly replaced by biotite. New Hampshire 0 Ritter 154, 29 I
GRD041KS0 Welded Ignimbrite Sanidine bearing welded tuff Texas 1 Ritter 154, 15 L
GRD041MS0 Pyroclastic Deposits Obispo Tuff California 2 Ritter 154, 15 K
GRD041NS0 Pyroclastic Deposits Palagonitic tuff Washington 1 Ritter 154, 15 J
GRD041PS0 Granite Mount Whitney Pluton. Granodiorite with k-spar megacryst (5 x 3 cm) California 0 Ritter 154, 15 B
GRD041RS0 Peridotite Mostly pyroxene with some patches of weathered olivine, Iddingsite. Locality Four California 0 Ritter 154, 16 L
GRD041SS0 Dacite Puerto Rico 0 Ritter 154, 29 L
GRD041TS0 Mafic Extrusive Spilite Puerto Rico 0 Ritter 154, 29 L