Donate now to keep mindat.org alive!Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
The most common minerals on earthMineral PhotographyThe Elements and their Minerals
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Coarse-grained-ultramafic-rock

This page is currently not sponsored. Click here to sponsor this page.
A coarse-grained crystalline rock composed mostly (>90%) of mafic minerals


Hide all sections | Show all sections

Classification of Coarse-grained-ultramafic-rockHide

Modal classification of ultramafic rocks (after Streckeisen, 1973)

Modal classification of ultramafic rocks (after Streckeisen, 1973)

Sub-divisions of Coarse-grained-ultramafic-rockHide

Mineralogy of Coarse-grained-ultramafic-rockHide

Essential minerals - these are minerals that are required within the classification of this rock:
MaficsA petrological term for dark, rock-forming minerals rich in magnesium and/or iron.
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Amphibole > HornblendeAn informal name for dark green to black amphiboles, mostly ferro-hornblende or ...
OlivineEquivalent to Fayalite-Forsterite Series; usually a more or less Fe-bearing forsterite.
PyroxeneA petrological term for Pyroxene Group.

Synonyms of Coarse-grained-ultramafic-rockHide

Other Language Names for Coarse-grained-ultramafic-rockHide

Internet Links for Coarse-grained-ultramafic-rockHide

Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2017, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: December 16, 2017 05:20:23 Page generated: December 9, 2017 03:33:35
Go to top of page