Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
3,901,801,316 visitors served.
forum Join the Word of the Day Mailing List For webmasters
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

pyroclastic rock

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
pyroclastic rock [¦pī·rə¦klas·tik ′räk]
(petrology)
A rock that is composed of fragmented volcanic products ejected from volcanoes in explosive events.
Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link 		Feedback
Mentioned in?  References in periodicals archive?   Encyclopedia browser?   Full browser?
No references found
 
The 3,125m volcano also launched pyroclastic rock 400m into the air.
Chile volcano spews ash and lava by Aljazeera.net
12 Pb-Zn deposits (New Brunswick), the presence of peperites in association with pyroclastic rocks and tufflavas indicates the in situ emplacement of pyroclastic rocks (cf.
Igneous rock associations 6. modelling of deep submarine pyroclastic ... by Lentz, D.R. / Geoscience Canada
In addition, auriferous multi-phase sulfide and oxide breccia veins are: 1) possibly underlain by one or more gold-copper porphyry systems (South Zone, Fall Creek Zones); 2) VMS type targets associated with sulfidized felsic stratigraphy and coarse pyroclastic rocks (Yellow Bowl, Knob Zones); and 3) a large epithermal target characterized by barite and jasper (possibly underlain by a gold-copper porphyry system.
Goldeye Options Todd Creek Property, Stewart Gold Camp, NW BC by Business Wire
 
 
 
Encyclopedia
?

Terms of Use | Privacy policy | Feedback | Advertise with Us | Copyright © 2012 Farlex, Inc.
Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.