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Sample Type is Igneous › Plutonic › Felsic Intrusive

220 records | Download
IGSN Sample Type Notes Location Number Thin Sections Storage Location
GRD043RS1 Syenite syenite dike, 20 feet thick, contact with Winnipesaukee quartz diorite; part of older material intruded by White Mtn Complex New Hampshire 0 Ritter 154, 29 E
GRD043US0 Syenite pink, coarse-grained, porphyritic quartz syenite New Hampshire 0 Ritter 154, 29 E
GRD043US1 Syenite pink, coarse-grained, porphyritic quartz syenite New Hampshire 0 Ritter 154, 29 E
GRD043YS0 Granite Conway Granite, fine-grained New Hampshire 0 Ritter 154, 29 E
GRD043YS1 Granite Conway Granite, fine-grained New Hampshire 0 Ritter 154, 29 E
GRD043YS2 Granite Conway Granite, fine-grained. Unusual, mica rich facies New Hampshire 0 Ritter 154, 29 E
GRD0440S0 Granite Conway Granite, medium-grained New Hampshire 0 Ritter 154, 29 E
GRD0440S1 Granite Conway Granite, medium-grained New Hampshire 0 Ritter 154, 29 E
GRD0441S0 Syenite Coarse Cobble Hill Syenite aka Belknap Syenite. New Hampshire 0 Ritter 154, 29 E
GRD0441S1 Syenite Coarse Cobble Hill Syenite aka Belknap Syenite. New Hampshire 0 Ritter 154, 29 E
GRD0444S0 Syenite Belknap Mtn syenite. Medium-grained, perthitic alkali feldspar, plag, hornblende, bitote and minor CPX (core of hornblende) New Hampshire 0 Ritter 154, 29 E
GRD0444S1 Syenite Belknap Mtn syenite. Medium-grained, perthitic alkali feldspar, plag, hornblende, bitote and minor CPX (core of hornblende) New Hampshire 0 Ritter 154, 29 E
GRD0445S0 Syenite Quartz syenite New Hampshire 0 Ritter 154, 29 E
GRD0445S1 Syenite Quartz syenite New Hampshire 0 Ritter 154, 29 E
GRD0448S0 Syenite fresh, medium-grained syenite, probably nepheline bearing, with nice fabric New Hampshire 0 Ritter 154, 29 E
GRD0449S0 Syenite fresh, coarse-grained syenite. Probably nepheline-sodalite-hastingsite syenite of Red Hill New Hampshire 0 Ritter 154, 29 E
GRD0449S1 Syenite fresh, coarse-grained syenite. Probably nepheline-sodalite-hastingsite syenite of Red Hill New Hampshire 0 Ritter 154, 29 E
GRD044TS0 Syenite coarse, biotite syenite (Kspar, biotite, plag) Arkansas 0 Ritter 154, 15 D
GRD044US0 Syenite syenite (possibly alkali feldspar syenite), dark facies (blue granite) of Granite Mtn Arkansas 0 Ritter 154, 15 D
GRD044VS0 Syenite syenite (Kspar, nepheline? and minor sphene, oxides), light facies (grey granite) of Granite Mtn Arkansas 0 Ritter 154, 15 D
GRD044WS0 Syenite contact between light facies (grey granite) and dark syenite facies (blue granite) of Granite Mtn Arkansas 0 Ritter 154, 16 Q
GRD044WS1 Syenite contact between light facies (grey granite) and dark syenite facies (blue granite) of Granite Mtn Arkansas 0 Ritter 154, 15 D
GRD044ZS0 Syenite pseudo-leucite (pseudomorph after leucite) syenite Arkansas 0 Ritter 154, 15 D
GRD0450S0 Syenite foliated nepheline syenite Arkansas 0 Ritter 154, 15 D
GRD0450S1 Syenite foliated nepheline syenite Arkansas 0 Ritter 154, 19 D
GRD045US0 Felsic Intrusive Hydrated Monzosyenite. Granite dike in Sybille monzosyenite dike, pinkish hue due to olivine being converted to hornblende. Wyoming 0 Ritter 154, 15 E
GRD045US1 Felsic Intrusive Hydrated Monzosyenite. Granite dike in Sybille monzosyenite dike, pinkish hue due to olivine being converted to hornblende. Wyoming 0 Ritter 154, 15 E
GRD045VS0 Monzonite Quartz Monzonite California 3 Ritter 154, 15 E
GRD0471S0 Syenite Alaska 2 Ritter 154, 15 D
GRD04DQS0 Granite grey, equigranular granite (grey series granitoid from Mahe) Seychelles 0 Ritter 154, 19 C