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Spiral Butte
Spiral Butte is a cinder cone in Yakima County, Washington, Yakima County, Washington (state), Washington in the United States. The summit and most of the slopes are located within the William O. Douglas Wilderness of the Okanogan–Wenatchee National Forest between White Pass (Washington), White Pass and Rimrock Lake. Historically the mountain has also been referred to as Big Peak. The present name stems from its orientation with a lava flow extending north out of the cone before spiraling east and then south. U.S. Route 12 in Washington, US 12 runs along the southern slope of the butte. Geography and Geology Spiral Butte is located in the Cascade Range in the Pacific Northwest. This mountain range exhibits several volcanoes which formed as the Juan de Fuca Plate located off the coast Subduction, subducted under the North American Plate. Volcanoes in the range extend from Northern California to British Columbia, including Mount Rainier nearby as well as Mount St. Helens and Mou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
White Pass (Washington)
White Pass (Elevation, elev. ) is a mountain pass in the Pacific Northwest, northwest United States, in the Cascade Range of Washington (state), Washington, southeast of Mount Rainier and north of Goat Rocks. U.S. Route 12 in Washington, U.S. Highway 12 travels over White Pass, connecting Yakima County, Washington, Yakima County on the east with Lewis County, Washington, Lewis County. It was named after Charles A. White, a surveying engineer who led the party that discovered it for the Northern Pacific Railroad in 1878. A shortcut route across White Pass between Packwood, Washington, Packwood and Naches, Washington, Naches was first established as State Road 5 in 1931, and the link was completed in August 1951 along the current route, later designated U.S. Route 12. White Pass Ski Area, at the summit, opened on January 11, 1953. Champion ski racing twins Phil Mahre, Phil and Steve Mahre, along with their family, grew up on White Pass where their father Dave Mahre was the mounta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Douglas Fir
The Douglas fir (''Pseudotsuga menziesii'') is an evergreen conifer species in the pine family, Pinaceae. It is the tallest tree in the Pinaceae family. It is native to western North America and is also known as Douglas-fir, Douglas spruce, Oregon pine, and Columbian pine. There are three varieties: coast Douglas-fir (''P. menziesii'' var. ''menziesii''), Rocky Mountain Douglas-fir (''P. menziesii'' var. ''glauca'') and Mexican Douglas-fir (''P. menziesii'' var. ''lindleyana''). Despite its common names, it is not a true fir (genus '' Abies''), spruce (genus '' Picea''), or pine (genus ''Pinus''). It is also not a hemlock; the genus name ''Pseudotsuga'' means "false hemlock". Description Douglas-firs are medium-sized to extremely large evergreen trees, tall (although only coast Douglas-firs reach heights near 100 m) and commonly reach in diameter, although trees with diameters of almost exist. The largest coast Douglas-firs regularly live over 500 years, with the ol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pinus Ponderosa
''Pinus ponderosa'', commonly known as the ponderosa pine, bull pine, blackjack pine, western yellow-pine, or filipinus pine, is a very large pine tree species of variable habitat native to mountainous regions of western North America. It is the most widely distributed pine species in North America.Safford, H.D. 2013. Natural Range of Variation (NRV) for yellow pine and mixed conifer forests in the bioregional assessment area, including the Sierra Nevada, southern Cascades, and Modoc and Inyo National Forests. Unpublished report. USDA Forest Service, Pacific Southwest Region, Vallejo, CA/ref> ''Pinus ponderosa'' grows in various erect forms from British Columbia southward and eastward through 16 western U.S. states and has been introduced in temperate regions of Europe and in New Zealand. It was first documented in modern science in 1826 in eastern Washington near present-day Spokane (of which it is the official city tree). On that occasion, David Douglas misidentified it as ' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spiral Butte
Spiral Butte is a cinder cone in Yakima County, Washington, Yakima County, Washington (state), Washington in the United States. The summit and most of the slopes are located within the William O. Douglas Wilderness of the Okanogan–Wenatchee National Forest between White Pass (Washington), White Pass and Rimrock Lake. Historically the mountain has also been referred to as Big Peak. The present name stems from its orientation with a lava flow extending north out of the cone before spiraling east and then south. U.S. Route 12 in Washington, US 12 runs along the southern slope of the butte. Geography and Geology Spiral Butte is located in the Cascade Range in the Pacific Northwest. This mountain range exhibits several volcanoes which formed as the Juan de Fuca Plate located off the coast Subduction, subducted under the North American Plate. Volcanoes in the range extend from Northern California to British Columbia, including Mount Rainier nearby as well as Mount St. Helens and Mou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oregon State University
Oregon State University (OSU) is a Public university, public Land-grant university, land-grant research university in Corvallis, Oregon, United States. OSU offers more than 200 undergraduate degree programs and a variety of graduate and doctoral degrees through all 11 of the university's colleges. It has the seventh-largest engineering college in the nation (2023). Undergraduate enrollment for all colleges combined averages over 32,000 while an additional 5,000 students are engaged in post-graduate coursework through the university. In 2023, over 37,000 students were enrolled at OSU, making it the largest university in the state. Out-of-state students typically make up over one-quarter of the student body. Since its founding, over 272,000 students have graduated from OSU. The university is Carnegie Classification of Institutions of Higher Education, classified among "R1: Doctoral Universities – Very high research activity". Initially chartered as a land-grant university, OS ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dacite
Dacite () is a volcanic rock formed by rapid solidification of lava that is high in silica and low in alkali metal oxides. It has a fine-grained (aphanitic) to porphyritic texture and is intermediate in composition between andesite and rhyolite. It is composed predominantly of plagioclase feldspar and quartz. Dacite is relatively common, occurring in many tectonic settings. It is associated with andesite and rhyolite as part of the subalkaline tholeiitic and calc-alkaline magma series. Etymology The word ''dacite'' comes from Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains (now modern Romania and Moldova) where the rock was first described. The term ''dacite'' was used for the first time in the scientific literature in the book ''Geologie Siebenbürgens'' (''The Geology of Transylvania'') by Austrian geologists Franz Ritter von Hauer and Guido Stache. Dacite was originally defined as a new rock type to separate calc-alkaline ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hornblende
Hornblende is a complex silicate minerals#Inosilicates, inosilicate series of minerals. It is not a recognized mineral in its own right, but the name is used as a general or field term, to refer to a dark amphibole. Hornblende minerals are common in Igneous rock, igneous and metamorphic rocks. The general formula is . Physical properties Hornblende has a Mohs scale of mineral hardness, hardness of 5–6, a specific gravity of 3.0 to 3.6, and is typically an opaque green, dark green, brown, or black color. It tends to form slender prismatic to bladed crystals, diamond-shaped in cross section, or is present as irregular grains or fibrous masses. Its planes of cleavage (crystal), cleavage intersect at 56° and 124° angles. Hornblende is most often confused with the pyroxene series and biotite, biotite mica, which are also dark minerals found in granite and charnockite. Pyroxenes differ in their cleavage planes, which intersect at 87° and 93°. Hornblende is an inosilicate (cha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Washington State Department Of Natural Resources
The Washington State Department of Natural Resources (DNR) manages over of forest, rangeland, range, agricultural, and commercial lands in the U.S. state of Washington (state), Washington. The DNR also manages of aquatic areas which include shorelines, tidelands, lands under Puget Sound and the coast, and navigable lakes and rivers. Part of the DNR's management responsibility includes monitoring of mining cleanup, environmental restoration, providing scientific information about earthquakes, landslides, and ecologically sensitive areas. DNR also works towards conservation, in the form of Aquatic Reserves such as Maury Island and in the form of Natural Area Preserves like Mima Mounds Natural Area Preserve, Mima Mounds or Natural Resource Conservation Areas like Woodard Bay Natural Resource Conservation Area. The Department was created in 1957 to manage state trust lands for the people of Washington. DNR management of state-owned forests, farms, rangeland, aquatic, and commercial ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Goat Rocks Wilderness
Goat Rocks Wilderness is a U.S. wilderness area in Washington, United States, comprising of Okanagan–Wenatchee National Forest and Gifford Pinchot National Forest on the crest of the Cascade Range south of U.S. Highway 12. Its central feature is a number of rugged peaks, the Goat Rocks, that are named after the numerous mountain goats that live in the area. Extinct for some two million years, a volcano with an elevation of once dominated this landscape. The eroded remnant of this volcano consists of rugged peaks that average over elevation. The highest point among them is Gilbert Peak, at with a prominence of . On the shaded northern slopes of the major peaks are the Packwood, McCall, Conrad, and Meade glaciers. The wilderness is drained by the North and South Forks of the Tieton, Cispus, and Cowlitz rivers and their tributaries. The lowest point in the wilderness is near Packwood Lake at 2,920 feet (890 m). History The wilderness values of this area were first ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bumping Lake
Bumping Lake is a lake A lake is often a naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a basin or interconnected basins surrounded by dry land. Lakes lie completely on land and are separate from ... and reservoir along the course of the Bumping River, in Yakima County, Washington state, USA. Bumping Lake was also named as "Lake Plehnam" by Preston's Map of Oregon and Washington in the 1850s, and "Tannum Lake" by the United States General Land Office Map of Washington of 1897. The lake is used as a storage reservoir for the Yakima Project, an irrigation project run by the United States Bureau of Reclamation. Although a natural lake, Bumping Lake's capacity and discharge is controlled by Bumping Lake Dam, a high earthfill structure built in 1910 and modified in the 1990s. As a storage reservoir, Bumping Lake's active capacity is . [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stratovolcano
A stratovolcano, also known as a composite volcano, is a typically conical volcano built up by many alternating layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with a summit crater and explosive eruptions. Some have collapsed summit craters called calderas. The lava flowing from stratovolcanoes typically cools and solidifies before spreading far, due to high viscosity. The magma forming this lava is often felsic, having high to intermediate levels of silica (as in rhyolite, dacite, or andesite), with lesser amounts of less viscous mafic magma. Extensive felsic lava flows are uncommon, but can travel as far as 8 km (5 mi). The term ''composite volcano'' is used because strata are usually mixed and uneven instead of neat layers. They are among the most common types of volcanoes; more than 700 stratovolcanoes have erupted lava during the Holocene Epoch (the last 11,700 years), and many ol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
