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andesite
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The answer ANDESITE has 12 possible clue(s) in existing crosswords.
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Definitions of andesite in various dictionaries:
noun - a dark grey volcanic rock
A gray, fine-grained volcanic rock, chiefly plagioclase and feldspar.
noun - a volcanic rock
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| Possible Dictionary Clues |
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| A gray, fine-grained volcanic rock, chiefly plagioclase and feldspar. |
| a dark, fine-grained, brown or greyish intermediate volcanic rock which is a common constituent of lavas in some areas. |
| a dark gray volcanic rock |
| A dark, fine-grained, brown or greyish intermediate volcanic rock which is a common constituent of lavas in some areas. |
| Andesite description |
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For the extinct cephalopod genus, see Andesites.* Andesite ( or ) is an extrusive igneous, volcanic rock, of intermediate composition, with aphanitic to porphyritic texture. In a general sense, it is the intermediate type between basalt and rhyolite, and ranges from 57 to 63% silicon dioxide (SiO2) as illustrated in TAS diagrams. The mineral assemblage is typically dominated by plagioclase plus pyroxene or hornblende. Magnetite, zircon, apatite, ilmenite, biotite, and garnet are common accessory minerals. Alkali feldspar may be present in minor amounts. The quartz-feldspar abundances in andesite and other volcanic rocks are illustrated in QAPF diagrams. * Classification of andesites may be refined according to the most abundant phenocryst. Example: hornblende-phyric andesite, if hornblende is the principal accessory mineral. * Andesite can be considered as the extrusive equivalent of plutonic diorite. Characteristic of subduction zones, andesite represents the dominant rock type in island |