Geology: Written in the Rocks

An image of the geology at Haleakalā.
An image of many of the cinder cones in the Summit District.

David Schoonover

Our Earth is a water-rich and rocky planet currently covered with life. The science of “Geology,” from the Latin meaning “to study the Earth,” helps us read the rocky record of the past and perhaps allows us to prepare for the future.
Crater or Valley?
A "V-shaped" valley carved by erosion, now partially filled by lava flows and pu`u.

David Schoonover


Last updated: March 4, 2018

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