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Red Cones
The Red Cones are a pair of cinder cones near Devils Postpile National Monument, in eastern Madera County of central California. They are within the eastern Sierra Nevada and Inyo National Forest. Volcanic geology The Red Cones last erupted approximately 5000 years ago, with both cinder eruption (forming the cones), and a basalt flow from the southern cone, which flowed approximately towards the upper Middle Fork of the San Joaquin River. The Red Cones are at the southern end of the Mono-Inyo Craters, the magma for the Red Cones shares its origin with the other Mono-Inyo craters. See also *Long Valley caldera Long Valley Caldera is a Depression (geology), depression in eastern California that is adjacent to Mammoth Mountain. The valley is one of the Earth's largest calderas, measuring about long (east-west), wide (north-south), and up to deep. Lo ... * Panum Crater References {{reflist Cinder cones of the United States Volcanoes of Madera County, California Inyo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Madera County, California
Madera County (), officially the County of Madera, is a County (United States), county located at the geographic center of the U.S. state of California. It features a varied landscape, encompassing the eastern San Joaquin Valley and the central Sierra Nevada (U.S.), Sierra Nevada, with Madera, California, Madera serving as the county seat. Established in 1893 from part of Fresno County, California, Fresno County, Madera County reported a population of 156,255 in the 2020 census. "Madera," meaning "wood" in Spanish, signifies the county's historical ties to the lumber industry. With a section of Yosemite National Park within its borders, Madera County has leveraged tourism as a key economic driver. Additionally, it has established itself as a leading agricultural center, renowned for its substantial production of almonds, grapes, and pistachios. Despite these economic advantages, Madera County encounters socioeconomic challenges, including a median household income that falls bel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Landforms Of The Sierra Nevada (United States)
A landform is a land feature on the solid surface of the Earth or other planetary body. They may be natural or may be anthropogenic (caused or influenced by human activity). Landforms together make up a given terrain, and their arrangement in the landscape is known as topography. Landforms include hills, mountains, canyons, and valleys, as well as shoreline features such as bays, peninsulas, and seas, including submerged features such as mid-ocean ridges, volcanoes, and the great oceanic basins. Physical characteristics Landforms are categorized by characteristic physical attributes such as elevation, slope, orientation, structure stratification, rock exposure, and soil type. Gross physical features or landforms include intuitive elements such as berms, cliffs, hills, mounds, peninsulas, ridges, rivers, valleys, volcanoes, and numerous other structural and size-scaled (e.g. ponds vs. lakes, hills vs. mountains) elements including various kinds of inland and oceanic waterbod ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Volcanoes Of Madera County, California
A volcano is commonly defined as a vent or fissure in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often found where tectonic plates are diverging or converging, and because most of Earth's plate boundaries are underwater, most volcanoes are found underwater. For example, a mid-ocean ridge, such as the Mid-Atlantic Ridge, has volcanoes caused by divergent tectonic plates whereas the Pacific Ring of Fire has volcanoes caused by convergent tectonic plates. Volcanoes resulting from divergent tectonic activity are usually non-explosive whereas those resulting from convergent tectonic activity cause violent eruptions."Mid-ocean ridge tectonics, volcanism and geomorphology." Geology 26, no. 455 (2001): 458. https://macdonald.faculty.geol.ucsb.edu/papers/Macdonald%20Mid-Ocean%20Ridge%20Tectonics.pdf Volcanoes can also form where there is stretching an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
