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Not to be confused with the rare earth-bearing phosphate mineral Monazite.
Photomicrograph of thin section of monzonite (in cross polarised light)
Photomicrograph of thin section of monzonite (in plane polarised light)
An intrusion (Notch Peak monzonite) inter-fingers (partly as a dike) with highly-metamorphosed host rock (Cambrian carbonate rocks). From near Notch Peak, House Range, Utah

Monzonite is an igneous intrusive rock. It is composed of approximately equal amounts of plagioclase and alkali feldspar, with less than 5% quartz by weight.[1] It may contain minor amounts of hornblende, biotite and other minerals. If quartz constitutes greater than 5%, the rock is termed a quartz monzonite.[2]

If the rock has a greater percentage of alkali feldspar, it grades into a syenite. With an increase in calcic plagioclase and mafic minerals the rock type becomes a diorite. The volcanic equivalent is the latite.[2]

Etymology[edit]

Monzonite was originally named after the Monzoni range in Val di Fassa (Trento Province - Italy) where it is abundant. As rock definitions have been systematized and codified, this association has lost any relevance to the rock's definition.[1]

See also[edit]

http://it.wikipedia.org/wiki/Monzoni

References[edit]

  1. ^ a b Le Maitre, R.W., Igneous Rocks: A Classification and Glossary of Terms Cambridge University Press, 2nd ed, pp. 113 ISBM 0-521-66215
  2. ^ a b Klein, Cornelis and Cornelius S. Hurlbut, Jr., Manual of Mineralogy, Wiley, 20th ed, pp. 480-484 ISBN 0-471-80580-7

Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Monzonite — Please support Wikipedia.
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3298 videos foundNext > 

William T. Hathaway: Quartz Monzonite Dike Near Renan, VA

Naturalist William T. Hathaway of PittPaths.com describes the geological background of a quartz monzonite dike near Renan, Pittsylvania County, Virginia. 1993.

William T. Hathaway: Huge Quartz Monzonite Boulder Near Renan, VA

Naturalist William T. Hathaway of PittPaths.com describes the geological background of a quartz monzonite boulder near Renan, Pittsylvania County, Virginia. ...

Monzonite

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This exquisite mens monzonite pinky ring is crafted in highly gleaming 14K white gold. The center is bezel set with one 0.90 carat monzonite (man made diamon...

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Seafight Global1 Shooting Monzonite RO@ ††ÐØØMΣĐSĦłP††RØ event ship.

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MYOP1K - Monzonite (Original Mix)

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3298 videos foundNext > 

6 news items

 
TheNewswire.ca (press release)
Mon, 25 Aug 2014 09:41:15 -0700

The Central Monzonite South target covers an area of at least 530 by 160 metres where outcrop is best exposed along subtle north trending ridges. This new target is located within the previously described Central Monzonite Zone (CMZ, see Tower's ...
 
Gold Investing News
Fri, 19 Sep 2014 00:30:00 -0700

The mineralization observed in DDH DOK-2014-02 is hosted in alternating strongly potassic and phyllic altered volcanics of the Stuhini Group and multiple quartz monzonite intrusives. Hydrothermal biotite and gypsum veining as well as disseminated and ...
 
MarketWatch
Wed, 17 Sep 2014 05:59:54 -0700

The mineralization observed in DDH DOK-2014-02 is hosted in alternating strongly potassic and phyllic altered volcanics of the Stuhini Group and multiple quartz monzonite intrusives. -- Hydrothermal biotite and gypsum veining as well as disseminated ...
 
MarketWatch
Wed, 17 Sep 2014 14:37:32 -0700

The Silasselka property is underlain by metavolcanic and metasedimentary rocks that are intruded by substantial volumes of younger monzonite, granodiorite and gabbro bodies. Relationships between the various igneous intrusions in the area are not ...
 
TheNewswire.ca (press release)
Tue, 09 Sep 2014 06:52:30 -0700

The previously reported discoveries include; the Chrysocolla East (see Tower's June 11th, 2014 Press Release) and Central Monzonite South (see Tower's August 25th, 2014 Press Release) targets. Building on this success, Tower further reports the ...
 
Energy Business Review
Thu, 11 Sep 2014 08:11:15 -0700

One such example from the area is the Copucha breccias in the Sierra Gorda area which intrudes a monzonite porphyry. Fragments are of variable size and copper oxide mineralization is found within cavities inside the breccias. While the outcropping ...
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