GRD003YS0

I-150

Basalt

Cenozoic › Quaternary
0.01 - 2.6

0

Ritter 154 › Cabinet 20 › Drawer E

Olivine,Porphyritic,Pyroxene

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Tristan Da Cunha

Tristan da Cunha: flow or large sill half way between Big Point and Rookery Point, elev 10

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