Red radiolarian chert--Akaiwa Seigankyo, Hokkaido. Such chert is part of the subduction melange. See also red chert north end of Golden Gate Bridge. Chert is basically 100% quartz.

lin murphy > some climbs

Red radiolarian chert--Akaiwa Seigankyo, Hokkaido. Such chert is part of the subduction melange. See also red chert north end of Golden Gate Bridge. Chert is basically 100% quartz.

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NOT ice climbing. Minoan Serpent goddess. Knossos, Crete.

NW Cuba limestone

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lin murphy

Jul 15, 2016

“Red radiolarian chert--Akaiwa Seigankyo, Hokkaido. Such chert is part of the subduction melange. See also red chert north end of Golden Gate Bridge. Chert is basically 100% quartz.”

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