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Sample Type is Igneous › Plutonic › Felsic Intrusive › Monzonite

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IGSN Sample Type Notes Location Number Thin Sections Storage Location
GRD008IS0 Monzonite Utah 0 Ritter 154, 15 E
GRD00EPS0 Monzonite Original description: Monzodiorite (Plag>Ks -Hb). 0 Ritter 154, 15 E
GRD00J1S0 Monzonite hydrothermally altered monzonite porphyry Arizona 0 Ritter 154, 15 E
GRD02IZS0 Monzonite Large samples of pink monzonite. Plagioclase-potassium feldspar-amphibole-quartz. Canada 0 Ritter 154, 15 E
GRD02NBS0 Monzonite Large sample of quartz monzonite. Original description: El Capitan Quartz Monzonite. Large slab on roadside. Quartz orthoclase plagioclase with minor sphene and nice zoning, biotite(some altering to chlorite). California 5 Ritter 154, 3 F
GRD02P3S0 Monzonite Two nice samples of quartz monzonite. Nice megacrysts of plagioclase. Plagioclase-quartz-hornblende. Three billets. Original label: Quartz monzonite. California 2 Ritter 154, 15 E
GRD02P7S0 Monzonite Two billets of quartz monzonite. Original label: Granodorite. Quartz Monzonite. From moraine but typical of granitic rock on Gaddard Divide. These intrude diorite and hornfels andesite on southwest towards Goddard. California 2 Camp Elliott
GRD02P8S0 Monzonite Small sample of fine-grained pink granite. Two billets. Original label: Granite or altered granodorite? From moraine but typical of granitic rock on Gaddard Divide. These intrude diorite and hornfels andesite on southwest towards Goddard. California 2 Camp Elliott
GRD02RUS0 Monzonite Two hand samples and two billets California 3 Ritter 154, 3 E
GRD02VLS0 Monzonite Float, Quartz Monzonite, slightly porphyritic California 0 Camp Elliott
GRD03Z2S0 Monzonite Palm sized slab of monzonite. Grain size transitions from medium to fine grain across sample. California 0 Ritter 154, 15 E
GRD0409S0 Monzonite Twin Spruce Quartz Monzonite. Trace Allanite, Apatite and Zircon. Colorado 0 Ritter 154, 29 J
GRD040JS0 Monzonite Silver Plume quartz monzonite. Colorado 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
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
GRD041DS0 Monzonite Kinsman Quartz Monzonite (now mapped as part of Kinsman granodiorite) New Hampshire 0 Ritter 154, 29 I
GRD0436S0 Monzonite Monzosyenite. Part of Sybille intrusion. Perthitic black K-spar, plagioclase, augite, orthopyroxene, inverted pigeonite, fayalitic olivine, and ilmenite. Dark K-spar color due to numerous oxide inclusions. Wyoming 0 Ritter 154, 15 E
GRD045VS0 Monzonite Quartz Monzonite California 3 Ritter 154, 15 E
GRD04E6S0 Monzonite Quartz Monzonite California 0 Ritter 154, 15 E