Infinite photos and videos for every Wiki article · Find something interesting to watch in seconds
History
Page
Rhyolite
Rhyolite
QAPF diagram with rhyolite field highlighted
QAPF diagram with rhyolite field highlighted
Page
Ignimbrite, a volcanic rock deposited by pyroclastic flows
Ignimbrite, a volcanic rock deposited by pyroclastic flows
Photomicrograph of a volcanic lithic fragment (sand grain); upper picture is plane-polarized light, bottom picture is cross-polarized light, scale box
Photomicrograph of a volcanic lithic fragment (sand grain); upper picture is plane-polarized light, bottom picture is cross-polarized light, scale box at left-center is 0.25 millimeter.
An aphanitic volcanic sand grain, with fine-grained groundmass, as seen under a petrographic microscope
An aphanitic volcanic sand grain, with fine-grained groundmass, as seen under a petrographic microscope
Vesicular olivine basalt from La Palma (green phenocrysts are olivine).
Vesicular olivine basalt from La Palma (green phenocrysts are olivine).