Geological Teaching Collection

  1. Database Home

Search Results

Sample Type is Igneous

1,592 records | Download
IGSN Sample Type Notes Location Number Thin Sections Storage Location
GRD043SS0 Ignimbrite banded syenite ignimbrite, some spherulites and rolled phenocrysts; part of older material intruded by White Mtn Complex New Hampshire 0 Ritter 154, 29 E
GRD043SS1 Ignimbrite banded syenite ignimbrite, some spherulites and rolled phenocrysts; part of older material intruded by White Mtn Complex New Hampshire 0 Ritter 154, 29 E
GRD043TS0 Mafic Intrusive diabase dike, White Mtn Complex age or more recent New Hampshire 0 Ritter 154, 29 E
GRD043TS1 Mafic Intrusive Contact of diabase with coarser grain igneous. Diabase dike, White Mtn Complex age or more recent 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
GRD043VS0 Diorite Ames monzodiorite with xenoliths of Endicott diorite and Winnipesaukee diorite. New Hampshire 0 Ritter 154, 29 E
GRD043VS1 Diorite Ames monzodiorite with xenoliths of Endicott diorite and Winnipesaukee diorite. New Hampshire 0 Ritter 154, 29 E
GRD043WS0 Diorite Endicott diorite New Hampshire 0 Ritter 154, 29 E
GRD043WS1 Diorite Endicott diorite New Hampshire 0 Ritter 154, 29 E
GRD043XS0 Diorite Endicott diorite, brecciated (probably by Conway Granite) New Hampshire 0 Ritter 154, 29 E
GRD043XS1 Diorite Endicott diorite, brecciated (probably by Conway Granite) 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
GRD043ZS0 Mafic Intrusive vent agglomerate dike, Rowes vent, with pink syenite xenoliths. Dike cuts Endicott diorite and breccia. New Hampshire 0 Ritter 154, 29 E
GRD043ZS1 Mafic Intrusive vent agglomerate dike, Rowes vent, with pink syenite xenoliths. Dike cuts Endicott diorite and breccia. 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
GRD0442S0 Trachyte Fine grained trachyte with abundant fragments of brecciated Belknap syenite. New Hampshire 0 Ritter 154, 29 E
GRD0443S0 Mafic Intrusive Rowes vent agglomerate. New Hampshire 0 Ritter 154, 29 E
GRD0443S1 Mafic Intrusive Rowes vent agglomerate. 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
GRD0446S0 Gabbro Gilford gabbro. Medium to coarse grained, plag, CPX (partially altered to hornblende) and ilmenite with large poikilitic hornblende up to 3 cm. New Hampshire 0 Ritter 154, 29 E
GRD0446S1 Gabbro Gilford gabbro. Medium to coarse grained, plag, CPX (partially altered to hornblende) and ilmenite with large poikilitic hornblende up to 3 cm. New Hampshire 0 Ritter 154, 29 E