1) Altered basaltic rock 2) Hardstone carving
Found on
https://www.crosswordclues.com/clue/greenstone
Greenstone is a name given to several different types of minerals and rocks. Greenstone may also be: ...
Found on
http://en.wikipedia.org/wiki/Greenstone
[archaeology] Greenstone is a common generic term for valuable, green-hued minerals and metamorphosed igneous rocks and stones, that were used in the fashioning of hardstone carvings such as jewelry, statuettes, ritual tools, and various other artefacts in early cultures. Greenstone artefacts may be made of greenschist, chlorastrolite, serp...
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http://en.wikipedia.org/wiki/Greenstone_(archaeology)
[software] Greenstone is a suite of software tools for building and distributing digital library collections on the Internet or CD-ROM. It is open-source, multilingual software, issued under the terms of the GNU General Public License. Greenstone is produced by the New Zealand Digital Library Project at the University of Waikato, and has be...
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http://en.wikipedia.org/wiki/Greenstone_(software)
• (n.) A name formerly applied rather loosely to certain dark-colored igneous rocks, including diorite, diabase, etc.
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http://thinkexist.com/dictionary/meaning/greenstone/
(from the article `Australia`) The Yilgarn block became an internally coherent mass only after greenstone and associated granitic terrane had developed from 3.0 to 2.5 billion ... The volcanics that comprise the lower portion of a greenstone sequence are made up of lavas noted for magnesian komatiites (ultramafic extrusive ... Greens...
Found on
http://www.britannica.com/eb/a-z/g/69
Green'stone` (grēn'stōn`)
noun [ So called from a tinge of green in the color.]
(Geol.) A name formerly applied rather loosely to certain dark-colored igneous rocks, including diorite, diabase, etc.
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http://www.encyclo.co.uk/webster/G/56
Includes stones that have been metamorphosed or otherwise altered that they have assumed a distinctive greenish color owing to the presence of one or more of the following mineralschlorite, epidote, or actinolite.
Found on
http://www.selectstone.com/architectural-resources/stone-glossary/
Includes stones that have been metamorphosed or otherwise changed so that they have assumed a distinctive greenish color owing to the presence of one or more of the following minerals
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https://www.encyclo.co.uk/local/22191
An altered or metamorphosed mafic igneous rock that owes its dark color to the presence of chlorite, epidote, or amphiboles.
Found on
https://www.encyclo.co.uk/local/22327
No exact match found.
