Big Obsidian Flow Trailhead and Interpretive Site - US Forest Service
At a mere 1300 years old, the Big Obsidian Flow is the youngest lava flow in Oregon. A one-mile interpretive trail climbs up and onto this impressive lava flow of obsidian (black glass) and pumice, which is located within the Newberry National Volcanic Monument .
Big Obsidian Flow | U.S. Geological Survey - USGS.gov
2023年11月3日 · Big Obsidian Flow in Newberry caldera, Oregon. (Credit: Jensen, Robert A. Public domain.) The obsidian lava flow overlies the Paulina Lake ash-flow tuff, which has been dated at ~1300 years old. The ash-flow tuff and the lava flow are parts of the same eruptive event, as is the Newberry tephra that forms a strongly east-directed narrow deposit.
Big Obsidian Flow Loop Hike - Oregon Hikers
The one-square-mile Big Obsidian Flow is one of the most memorable features in a landscape of outstanding volcanic features in the Newberry National Volcanic Monument. This lava flow, composed of black glass (obsidian) and pumice, is the youngest in Oregon and issued forth only 1,300 years ago.
Big Obsidian Flow is one of Oregon's greatest volcanic attractions
2017年10月22日 · The massive flow of glassy black obsidian and gray pumice is one of Oregon's best volcanic attractions, both for the sheer awe it produces and its geological significance in the Pacific...
GLASS BUTTE: The Best Place To Find OBSIDIAN in Oregon!
2021年2月4日 · The Big Obsidian Flow, which is located in the Deschutes National Forest, is the youngest lava flow in Oregon at only 1300 years old and covers nearly one square mile. This lava flow was the final stage of a much larger eruption, and as this last bit of magma made its way to the surface, it quickly cooled and formed this massive obsidian flow ...
Deschutes National Forest - Obsidian Flow Trail - US Forest Service
2024年10月22日 · This one-mile interpretive trail climbs up and onto an impressive lava flow of obsidian (black glass) and pumice. This trail is located within the Newberry National Volcanic Monument. Collecting Obsidian or other material from any site on Newberry National Volcanic Monument is PROHIBITED.
The Big Obsidian Flow - Visit Central Oregon
The Big Obsidian Flow Trail, largely accessible between June and October, measures roughly one mile (round-trip) and challenges hikers with about 200 feet of elevation gain along the way. It takes visitors into the heart of Oregon’s youngest lava flow, offering up-close looks at glassy obsidian rocks and softer pumice rocks that cover one ...
Big Obsidian Flow Trail, Oregon - 618 Reviews, Map - AllTrails
Super awesome trek through tons of obsidian with a number of interesting and well done informational boards. Plus the views are amazing including of Paulina Lake and the surrounding forest.
Safely Hike the Big Obsidian Flow trail at Paulina Lake
2019年10月10日 · Hike one of Oregon's most famous obsidian trails and enjoy the incredible view from the top of Big Obsidian Flow. Read how to safely hike it with your kids!
Big Obsidian Flow, Newberry Crater - Oregon History Project
Geologically still active, Newberry Volcano last erupted in 640 A.D., creating the Big Obsidian Flow shown here. Other well-known features include Paulina Peak, Paulina Lake, and East Lake, all of which lie within the zone identified as Newberry Crater. This caldera formed when the central portion of the original volcano collapsed eons ago.