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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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3355 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. ...

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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 ...

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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...

The Riddle of Monzonite (2012)-Official Trailer

This short documentary film explores the sport of rock climbing in Joshua Tree National Park, and its demographics. For more information, definitely see my b...

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

How to Pronounce Monzonite

3355 videos foundNext > 

7 news items

 
Junior Mining Network
Tue, 12 Aug 2014 05:56:15 -0700

New exposure of a quartz monzonite stock (Erin stock) has revealed extensive molybdenite mineralization within quartz vein stockwork. This intrusive measures about one square kilometer in area. Of the 106 grab, subcrop and channel samples collected in ...
 
Stockhouse
Mon, 28 Jul 2014 14:13:09 -0700

The mineralization appears associated with a previously unknown dragfold or fault related block of hornblende diorite. Company geologists believe this block acted as a significant fluid trap in the contact zone with the quartz monzonite to the north-east.
 
Wall Street Journal
Wed, 30 Jul 2014 00:30:00 -0700

The drilling intersected a broad zone of low grade gold-copper mineralisation along the contact zone of monzonite and diorite intrusions, characterised by breccia zones with pyrite-chalcopyrite veinlets. Mineralised intercepts are shown in Figure 1 below.
 
Azomining
Wed, 13 Aug 2014 01:48:45 -0700

New exposure of a quartz monzonite stock (Erin stock) has revealed extensive molybdenite mineralization within quartz vein stockwork. This intrusive measures about one square kilometer in area. Of the 106 grab, subcrop and channel samples collected in ...
 
Marketwired (press release)
Wed, 23 Jul 2014 05:45:00 -0700

Mineralization is characterized by native gold and sulphides in lode style quartz veins and silicified brittle shear zones, which are hosted within quartz monzonite and granodiorite. Exploration between 2006 and 2011 included surface mapping ...
 
Stockhouse
Thu, 07 Aug 2014 11:07:39 -0700

All three holes at Connors intersected copper-gold porphyry mineralization and associated alteration, primarily within intrusive rocks of monzonite composition. Alteration appears to be mostly characterised by an early, intense and pervasive biotite ...
 
Azomining
Thu, 24 Jul 2014 04:34:45 -0700

Mineralization is characterized by native gold and sulphides in lode style quartz veins and silicified brittle shear zones, which are hosted within quartz monzonite and granodiorite. Exploration between 2006 and 2011 included surface mapping ...
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