rhy·o·lite

(rī′ə-līt′)

A fine-grained extrusive volcanic rock, similar to granite in composition and usually exhibiting flow lines.

[Greek rhuāx, stream (from rhein, to flow; see sreu- in Indo-European roots) + -lite.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

rhyolite

(ˈraɪəˌlaɪt)

(Geological Science) a fine-grained igneous rock consisting of quartz, feldspars, and mica or amphibole. It is the volcanic equivalent of granite

[C19: rhyo- from Greek rhuax a stream of lava + lite]

rhyolitic adj

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

rhy•o•lite

(ˈraɪ əˌlaɪt)

n.

a fine-grained igneous rock rich in silica: the volcanic equivalent of granite.

[1865–70; rhyo- (irreg. < Greek rhýax stream of lava) + -lite]

rhy`o•lit′ic (-ˈlɪt ɪk) adj.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

rhyolite - very acid volcanic rock

igneous rock - rock formed by the solidification of molten magma

Translations

ryolit

ryoliitti

Mentioned in

References in periodicals archive

Hole 7 intersected shallow mineralization in rhyolite, and tested the southwest extension of the PC18-33 zone

Contact Gold Drills 1.3 G/T Oxide Gold over 13 Metres at Pony Creek

This article presents the results of a detailed geological field work to Nowshera reef complex and Gaju Gundai (Gohati Rhyolite).

A NOVEL APPROACH TO VALUE AND CONSERVING THE GEOHERITAGE OF PESHAWAR BASIN, KP PAKISTAN: IN ASPECT OF GEOSCIENTIFIC AND ACADEMIC IMPORTANCE

A major element in the volcano's power is the explosive, silica-rich rhyolite that breaks through the Earth's crust during an eruption.

Recharging Volcano in Yellowstone

In fact, Karen was looking at a well-known rock outcrop of rhyolite (a very ancient rock located in north Pembrokeshire) known as "the lion and the unicorn".

View is of rock outcrop not a castle

To quote a Canadian driller who had extensive use of the new bit, "That Azure cuts fast through granite and cuts through rhyolite like butter." Azure is very versatile and can be used in a wide range of ground conditions.

Atlas Copco Offers Coring Bit Matrix

The nine contributions that make up the main body of the text are devoted to the Pleistocene megaflood landscapes of the Channeled Scabland, basalt and rhyolite volcanism in the western Snake River Plain of Idaho, the Columbia River Basalt Group of western Idaho and eastern Washington, and many other related subjects.

Exploring the Geology of the Inland Northwest

Rocks consist of Palaeozoic dolomite/limestone detachment blocks surrounded and underlain by Tertiary rhyolite tuffs.

Orogen Gold Acquires Right to 51% Interest in Galileo's Nevada Gold-Silver Property

The river has cut down through many ancient volcanic layers, exposing and creating some of the most stunning visual examples of rhyolite formations on Earth.

Owyhee is a unique area that should be protected

To identify geographic sources for obsidian and rhyolite and to differentiate ambiguous materials, we conducted pXRF analysis of geochemistry using a Bruker Tracer III-V at the University of Alaska Museum of the North, following methods described by Phillips and Speakman (2009).

Lithic technology at Linda's Point, Healy Lake, Alaska