what are the geological features of this lake?
Mount Mazama, part of the Cascade Range volcanic arc, was built up mostly of andesite, dacite, and rhyodacite over a period of at least 400,000 years, lava eruptions later created a central platform, Wizard Island, Merriam Cone, and other, smaller volcanic features, including a rhyodacite dome
Crater Lake
Mount Mazama, part of the Cascade Range volcanic arc, was built up mostly of andesite, dacite, and rhyodacite over a period of at least 400,000 years. The caldera was created in a massive volcanic eruption between 6,000 and 8,000 years ago that led to the subsidence of Mount Mazama. About of rhyodacite was erupted in this event. Since that time, all eruptions on Mazama have been confined to the caldera.

Lava eruptions later created a central platform, Wizard Island, Merriam Cone, and other, smaller volcanic features, including a rhyodacite dome that was eventually created atop the central platform. Sediments and landslide debris also covered the caldera floor.

when was the last time crater lake volcano erupted Approximately 7,700 years ago what is the name of the volcano? Mount Mazama where is it located? In the state of Oregon, United States how many people live in this state? The United States Census Bureau estimates that the population of Oregon was 4,217,737 on July 1, 2019 who were the early settlers here? Paleo-Indians who were they? They were the first peoples who entered, and subsequently inhabited, the Americas during the final glacial episodes of the late Pleistocene period where did they come from? Archaeologists contend that Paleo-Indians migrated out of Beringia between and years ago how are they classified? Generally classified by lithic reduction or lithic core "styles" and by regional adaptations what are the geographical features of the volcanic mountain? It in north of the border with California, it lies in the southern portion of the Cascade Range, Crater Lake sits partly inside the volcano's caldera, with a depth of ; it is the deepest body of freshwater in the United States and the second deepest in North America after Great Slave Lake in Canada what type of plants are found near this lake? UNANSWERABLE
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Crater Lake [SEP] Geology
Mount Mazama, part of the Cascade Range volcanic arc, was built up mostly of andesite, dacite, and rhyodacite over a period of at least 400,000 years. The caldera was created in a massive volcanic eruption between 6,000 and 8,000 years ago that led to the subsidence of Mount Mazama. About of rhyodacite was erupted in this event. Since that time, all eruptions on Mazama have been confined to the caldera. Lava eruptions later created a central platform, Wizard Island, Merriam Cone, and other, smaller volcanic features, including a rhyodacite dome that was eventually created atop the central platform. Sediments and landslide debris also covered the caldera floor.