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rhyolite's Usage Examples:

the calc-alkaline series include volcanic types such as basalt, andesite, dacite, rhyolite, and also their coarser-grained intrusive equivalents (gabbro.

The complex, comprising mainly felsic extrusive volcanic rocks as rhyolites, also is the only confirmed volcanic province in the Eastern Ranges, with.

Geochemical analysis has shown that some of the bluestones from the inner horseshoe at Stonehenge probably came from Carn Menyn, Carn Goedog, Carn Breseb, Cerrig Marchogion and other sites in the Preseli Hills, while rhyolite fragments may have come from Carn Alw and further afield.

The "v" symbol marks massive and fluidal rhyolite and tuff, while "+" marks Variscan granite.

This suite consists of metamorphosed siltstone, wacke, conglomerate, arkose, and minor rhyolite.

The volcano has erupted rhyolites and dacites and some andesitic lava flows on a ridge above Baeza.

basalt, ferro-basalt, tholeiitic basaltic andesite, tholeiitic andesite, dacite and rhyolite.

Constituents include porphyritic and non porphyritic rhyolite, obsidian, pitchstone, tuff, and agglomerate.

include rhyolite and dacite lavas.

commonly of basaltic composition, although pillows formed of komatiite, picrite, boninite, basaltic andesite, andesite, dacite or even rhyolite are known.

dacite to rhyolite in composition, containing biotite, pumice, quartz and sanidine.

rhyolite columns, with superb climbing up the many cracks, corners and aretes between them.

Trachybasalts, phonolites, trachytes, peralkaline trachytes, pantellerites, comendites and rhyolites form the overlying.