Geologic units containing quartz monzodiorite

Earth material > Plutonic rock > Granitoid

Quartz monzodiorite

A plutonic rock defined in the QAPF diagram as having Q between 5 and 20% and P/(A+P) between 65 and 90%, and plagioclase more sodic than An50

Subtopics:
(none)

California - Idaho - Massachusetts - Maine - New Hampshire - New Jersey - Nevada - Utah - Virginia - Washington

California

Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges) (Permian to Tertiary; most Mesozoic): Mesozoic granite, quartz monzonite, granodiorite, and quartz diorite
Paleozoic and Permo-Triassic granitic rocks unit 2 (San Gabriel Mountains) (Late Triassic): Paleozoic and Permo-Triassic granitic rocks in the San Gabriel and Klamath Mountains

Idaho

Granodiorite, quartz monzonite, granite, alaskite, quartz monzodioirte, diorite; Tertiary to Cretaceous, intrusions, undivided; northern, west-central, and southwestern Idaho (Eocene to Cretaceous): Eocene intrusions; Cretaceous plutons, intermediate, Cretaceous plutons, felsic; metamorphosed granitic intrusive rock
Monzogranite, granodiorite, syenite, monzodiorite, monzonite, and diorite; Eocene phaneritic to porphyro-aphanitic intrusions (subunits are Teif and Teii); northern Idaho to central Idaho (Eocene): Eocene intrusions including large granitic plutons and dike swarms of central Idaho
Quartz monzodiorite, monzogranite, granodiorite, monzonite, diorite; Eocene phaneritic to porphyro-aphanitic intrusions of the quartz monzodiorite suite; Challis magmatic belt (Eocene): Eocene intrusions of intermediate (mafic to felsic) composition

Massachusetts

Belchertown Complex (Devonian): Belchertown Complex (intrudes De) - Transition zone dominated by augite-hornblende quartz monzodiorite.
Belchertown Complex (Devonian): Belchertown Complex (intrudes De) - Zone containing primary igneous orthopyroxene-augite quartz monzodiorite.

Maine

Cretaceous quartz monzodiorite (Cretaceous): Cretaceous quartz monzodiorite - Cretaceous biotite quartz monzodiorite
Devonian granite-quartz diorite (Devonian): Devonian granite-quartz diorite: biotite granite, biotite granodiorite, biotite tonalite, biotite quartz syenite, biotite quartz monzodiorite, and biotite quartz diorite.
Devonian granodiorite - quartz diorite (Devonian): Devonian granodiorite - quartz diorite - Devonian biotite granodiorite to biotite quartz diorite - biotite granodiorite, biotite tonalite, biotite quartz syenite, biotite quartz monzodiorite, and biotite quartz diorite.
Devonian granodiorite - quartz monzodiorite (hornblende accessory mineral) (Devonian): Devonian granodiorite - quartz monzodiorite (hornblende accessory mineral) - Devonian hornblende-biotite granodiorite to quartz monzodiorite - hornblende-biotite granodiorite, hornblende-biotite tonalite, hornblende-biotite quartz syenite, and hornblende-biotite quartz monzodiorite.
Devonian quartz monzodiorite - quartz diorite (pyroxene plus hornblende accessory mineral) (Devonian): Devonian quartz monzodiorite - quartz diorite (pyroxene plus hornblende accessory mineral) - Devonian pyroxene-hornblende-biotite quartz monzodiorite to quartz diorite - pyroxene-hornblende-biotite quartz monzodiorite and pyroxene-hornblende-biotite quartz diorite.
Devonian quartz monzodiorite - quartz diorite (pyroxene plus hornblende accessory mineral) (Devonian): Devonian quartz monzodiorite - quartz diorite (pyroxene plus hornblende accessory mineral) - Devonian pyroxene-hornblende quartz monzodiorite and quartz diorite - pyroxene-hornblende-biotite quartz monzodiorite, and pyroxene-hornblende-biotite quartz diorite

New Hampshire

Hornblende-biotite quartz monzodiorite (Jurassic): Hornblende-biotite quartz monzodiorite - Composition ranges from quartz monzonite to diorite.

New Jersey

Pyroxene Granite (Middle Proterozoic): Pyroxene Granite - Gray- to buff- or white-weathering, greenish-gray, medium- to coarse-grained, massive, gneissoid to indistinctly foliated granite containing mesoperthite to microantiperthite, quartz, oligoclase, and clinopyroxene. Common accessory minerals include titanite, magnetite, apatite, and trace amounts of pyrite. Some phases are monzonite, quartz monzodiorite, or granodiorite. Locally includes small bodies of amphibolite not shown on map.

Nevada

Granitic rocks (Middle Triassic to Early Jurassic): GRANITIC ROCKS-Quartz monzonite in northern Esmeralda County

Utah

Precambrian intrusive rocks in northwestern Utah (Archean)
Tertiary intrusive rocks in central Utah (Late Eocene to Oligocene)
Tertiary intrusive rocks in southeastern Utah (Oligocene)

Virginia

Dale City Quartz Monzonite (Cambrian): Dale City Quartz Monzonite- Quartz monzonite and quartz monzodiorite.

Washington

Tertiary-Cretaceous granitic intrusive rocks (Early Tertiary-Late Cretaceous): Granite, granodiorite, trondhjemite, and quartz diorite. Late Cretaceous and/or early Tertiary.

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
URL: http://mrdata.usgs.gov/geology/state/sgmc-lith.php?text=quartz%20monzodiorite
Page Contact Information: pschweitzer@usgs.gov
Page Last modified: 11:56 on 09-Apr-2013