Tala Point Boulders and Either a Large Erratic or Outcrop
2019年4月2日 · The question of erratic versus boulder may or may not be readily solvable. If the rock is not Crescent Formation, then it would be an erratic. However, if it is Crescent it could be an outcrop or an erratic that was not transported very far.
Mount Baker - Wikipedia
The east side of Mount Baker in 2001. Sherman Crater is the deep depression south of the summit. Mount Baker (Nooksack: Kweq' Smánit; Lushootseed: təqʷubəʔ), [9] also known as Koma Kulshan or simply Kulshan, is a 10,781 ft (3,286 m) active [10] glacier-covered andesitic stratovolcano [4] in the Cascade Volcanic Arc and the North …
Glacial erratic boulders of King County, Washington - Wikipedia
Glacial erratic boulders of King County are large glacial erratic boulders of rock which were moved into King County, Washington by glacial action during previous ice ages.
Columbia River Basalt Group - Wikipedia
The Latah Formation sediments of Washington and Idaho are interbedded with a number of the Columbia River Basalt Group flows, and outcrop across the region. Absolute dates, subject to a statistical uncertainty, are determined through radiometric dating using isotope ratios such as 40 Ar/ 39 Ar dating, which can be used to identify the date of ...
Geology of Olympic - U.S. National Park Service
2020年9月29日 · Off the coast of the Olympic Peninsula, a dramatic story of epic proportions is slowly, yet steadily, occurring beneath the sea. Washington state boasts volcanoes from the north to the south that have made history. The Olympic range is not volcanic, but visitors may notice some geology that makes it seem as if they were.
Ellensburg Formation - Side Trip off of I-90
It won't add any miles to the trip but has some spectacular outcrop exposures of the Ellensburg Formation. There are two broad pullouts and the road is wide enough that it is a great spot to take a break and contemplate the violence of the Cascade volcanics during Miocene. The three pictures above are from the western stop.
Quartzite gravel outcrops extensively in Lewiston, Idaho, and Clarkston, Washington, and upstream on the Snake River through Hells Canyon. There are also gravels associat-ed with the Lake Missoula and Bonneville floods.2 These gravels will not be discussed, although they picked up quartzite gravel along their flood paths.
Washington Lookouts : Climbing, Hiking & Mountaineering - SummitPost
2017年1月5日 · The summit of Kalispell Rock is a massive boulder outcrop atop which a small 5'x5' lookout shack was used from 1927-1934. The bouldertop lookout shack has long since been removed and the only remnants are a few nails, snags, and wire nearby, as well as a cement circle embedded in the summit which held the original firefinder in place.
Quantitative morphologic analysis of boulder shape and surface …
2008年5月6日 · The parameter set was pilot tested on three populations of basalt boulders with distinct breakdown histories in the Channeled Scabland, Washington: (1) basalt outcrop talus; (2) flood-transported boulders recently excavated from a quarry; and (3) flood-transported boulders, extensively weathered in situ on the Ephrata Fan surface.
Rocky outcrops: A hard road in the conservation of critical …
2017年7月1日 · Rocky outcrops are geological features that encompass a wide variety of physical environments, including escarpments, overhangs, cliffs, tors, boulder-heaps and insular domes (inselbergs). They support high levels of species diversity and endemism, and provide stable micro-climates for thousands of years.
- 某些结果已被删除