Sentences with phrase «volcanic rocks collected»

Alberto Saal of Brown University in Providence, Rhode Island, and colleagues re-examined lunar volcanic rocks collected in the 1970s during the Apollo 15 and 17 missions.

The work was made in 1988 from volcanic rock collected by the artist in Iceland.

Not exact matches

FIJI water is collected in a natural aquifer, the result of rainwater trickling down through layers of volcanic rock.

The oil prospectors who originally collected the Bedout cores also assumed that the rocks were volcanic.

A unique chemical signature suggests volcanic rocks recently collected on Baffin Island in the Canadian Arctic survived untouched for 4.5 billion years from before the melted mantle began firing up magma to form Earth's crust and plate tectonics then mixed that crust back into the mantle below.

I still collect igneous rocks from sevral of these volcanic sites close to Sydney.