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J.E. Allen, an emeritus professor of Geology at Portland State University, listed its elevation as 560 feet (170 m) in a 1975 publication. [3] Powell Butte is a cinder cone butte [4] and is part of the Plio-Pleistocene Boring Lava Field, [4] a group of volcanic cones that got their name from the low, forested Boring Hills formation. [5]
Rocky Butte (previously known as Mowich Illahee [4] and Wiberg Butte) is an extinct cinder cone butte in Portland, Oregon, United States. It is also part of the Boring Lava Field, a group of volcanic vents and lava flows throughout Oregon and Washington state. The volcano erupted between 285,000 and 500,000 years ago.
The Oregon State Fair is the official state fair of the U.S. state of Oregon. It takes place every August–September at the 185-acre (0.75 km 2 ) Oregon State Fairgrounds located in north Salem , the state capital, as it has almost every year since 1862.
The Oregon State Fair is offering a 24-hour ticket sale, with tickets priced at $3.99 each. The sale runs until 10 a.m. Friday. Oregon State Fair tickets are discounted 60% for 24 hours
The Catlin Gabel tubes lie among cinder cones and lava flows from the Pliocene to Pleistocene, and they are the oldest known lava tubes in Oregon, older than the Holocene. [83] The tubes were produced by a small vent at the southern end of the northern segment of the field, [ 84 ] extending 2.5 miles (4.0 km) from its base to the south and then ...
Lava Butte is a cinder cone in central Oregon, United States, just west of U.S. Route 97 between the towns of Bend, and Sunriver in Deschutes County.It is part of a system of small cinder cones on the northwest flank of Newberry Volcano, a massive shield volcano which rises to the southeast.
Lava Butte, a cinder cone in Newberry National Volcanic Monument, Oregon. A list of cinder cones is shown below. This list is incomplete; ...
Mount Scott is a volcanic cinder cone with its summit in Clackamas County, Oregon.The summit rises to an elevation of 1,091 feet (333 m). [1] It is part of the Boring Lava Field, [3] a zone of ancient volcanic activity in the area around Portland, and was named for Harvey W. Scott, a 19th and 20th century editor of The Oregonian newspaper.