-
Home
| Where
to Find
Rocks | Field
Equipment | Home
Tools | Organise
Your Collection | Storage
and Display | Field
Safety | Blog
Dacite
Dacite is an igneous
rock.
It has a composotion between andesite and rhyolite.
It is an extrusive igneous rock, but it can also be found in small intrusions.
It is a fine grained rock, but porphyritic varieties are also common.
By docentjoyce via Flickr.com
The large minerals, phenocrysts, are usually quartz and feldspar.
Other minerals include pyroxene, hornblende and biotite.
By randomduck via Flickr.com
It is often pink or greyish in colour.
It is often found with andesite on continental margins, and with rhyolite near continental volcanoes.
Custom Search
What's New
About Us
About Using Content
PHOTOS
MAKE MONEY BUYING AND SELLING GOLD!
CRYSTAL HEALING
[?] Subscribe To This Site
Home | Site Map | Site Search | Site Policies | About Us | Contact Us
This site uses British English, which is the English we use in Australia.
Disclaimer:
Although
best efforts have been made to ensure that
all the information on this
site is correct,
collecting-rocks-and-minerals.com is not to be blamed should there be a
mistake.
Copyright notice:
All contents of this website are strictly protected
by the Law of
Copyright. What does that
mean?
Copyright 2010-2021 collecting-rocks-and-minerals.com. ALL RIGHTS RESERVED.