Blue Lake Crater
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Blue Lake Crater is a maar, or a broad, low-relief volcanic crater, in the U.S. state of Oregon. Located in Jefferson County, it consists of three overlapping craters, which hold Blue Lake. The draina
Blue Lake Crater (prior to the B&B Complex fires in summer 2003)
Blue Lake in 1940
Blue Lake crater is made up of basalt and picrite basalt, or picrobasalt (representative sample pictured)
Mount Washington (Oregon)
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Mount Washington is a deeply eroded volcano in the Cascade Range of Oregon. It lies within Deschutes and Linn counties and is surrounded by the Mount Washington Wilderness area.
Blue Lake Crater
…a moraine-dammed lake that is popular among tourists, which is warmer and eutrophic. Near Blue Lake lie terminal moraines from an ice sheet between Mount Washington and Three Fingered Jack, which are covered with 0.5 to 1 foot (0.15 to 0.30 m) of volcanic ash deposited by cinder cones in the Sand Mountain Volcanic…
Mount Washington as seen from Big Lake on the northwest
The spire-like appearance of Mount Washington
The deeply eroded Mount Washington seen from the east
Mount Washington with Belknap Crater on the left