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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]

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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1273 videos foundNext > 

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. ...

WHERE TO FIND GOLD !!! In Quartz Granite ( Monzonite )

Gold Prospecting in the Desert by metal detecting old Hard Rock mines. We show you where to find gold.We discover Rich Gold in Calcite pockets inside Barite ...

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.

Joshua Tree Bouldering - Pumping Monzonite - V7

What a project! It seemed like more effort was spent on each attempt of this problem than any other in recent memory, even the projects that I started before...

14K White Gold Mens Monzonite Pinky Ring 1.25 Ctw

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...

Monzonite

Pumping Monzonite

The classic Pumping Monzonite in Joshua Tree. So good.

Seafight - Diseño - Monzonite

Bueno undiendo al famosos Monzonite !! Undido Por: Kanguro[TAU] Reparado Por: Ặ£мΐяẶñтξ_тẶκβÐм_тãŭ.

Seafight Global1 Shooting Monzonite RO@

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

Monzonite

1273 videos foundNext > 

97 news items

Los Angeles Times

Los Angeles Times
Sat, 24 Jan 2015 16:48:28 -0800

At mile 26, you encounter the Grandstand, an enormous hunk of dark quartz monzonite at the north end of the lake bed. About mile 27, you park and look for rocks and tracks. Scientists theorize that the lake evaporated about 10,000 years ago, leaving ...
 
Northern Star
Wed, 28 Jan 2015 11:41:15 -0800

There are also some fears about radiation from traces of monzonite in the sand, however levels are believed to be within the safety threshold, which is 40 times less than a standard x-ray. The ilmenite stockpile is from sand mining near Jerusalem Creek ...

Proactive Investors UK

Proactive Investors UK
Thu, 22 Jan 2015 02:01:27 -0800

The CIC is a four kilometres by three kilometres monzonite intrusive with associated alteration and skarn mineralisation located about seven kilometres northwest of Kaiser. Alkane has a large tenement holding in the northern Molong Belt, a region ...
 
Stockhouse
Wed, 14 Jan 2015 11:41:15 -0800

CON-14-008 was drilled to test the northern extension of the Connors Porphyry and has intersected strong weathered volcanic rock (latite), porphyry breccia dyke, basaltic andesite, thin monzonite dykes ("MZPL"), strongly altered porphyries and Ginger ...
 
Marketwired (press release)
Tue, 02 Dec 2014 13:56:15 -0800

This hole intersected two separate zones, approximately 80 to 100 metres wide (true width unknown) of heterolithic, magnetite flooded breccia cross-cutting a porphyritic quartz monzonite. The quartz monzonite is moderately to strongly sericite-pyrite ...
 
Petroleum News
Fri, 19 Dec 2014 08:49:15 -0800

This hole intersected two separate zones, about 80 to 100 meters wide of heterolithic, magnetite flooded breccia cross-cutting a porphyritic quartz monzonite. The quartz monzonite is moderately to strongly sericite-pyrite altered, and contains local ...
 
Willcox Range News
Wed, 26 Nov 2014 11:06:53 -0800

The Texas Canyon quartz monzonite, exposed at the rest area, is the intrusion which carried the minerals from deep within the earth. The deposit as mapped is large and copper concentrations adequate to support the project. Extensive hydrological ...

ISN

ISN
Wed, 31 Dec 2014 00:15:00 -0800

TREI would use monzonite sand provided by India's Indian Rare Earths Limited in its production of REEs. Last November, Japan and India signed a trade pact on Indian exports to Japan, and Tokyo and Delhi are considering forming joint ventures operating ...
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