Ash Flows and Related Volcanic Rocks Associated with the Creede Caldera, San Juan Mountains, Colorado PDF Download

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Ash Flows and Related Volcanic Rocks Associated with the Creede Caldera, San Juan Mountains, Colorado

Ash Flows and Related Volcanic Rocks Associated with the Creede Caldera, San Juan Mountains, Colorado PDF Author: James Clifford Ratté
Publisher:
ISBN:
Category : Latite
Languages : en
Pages : 74

Book Description
A complex pile of Tertiary volcanic rocks in the central San Juan Mountains, Colo., consists of welded ash-flow tuffs, lava flows, and breccias from several sources. A more limited sequence within this assemblage originated in or bordering the Creede caldera and is the subject of this report. The Creede caldera sequence consists of five major ash-flow formations, locally interlayered lava flows, a succeeding lava-flow formation, and the volcanic-clastic Creede Formation.
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