• Thumbnail for Basalt fan structure
    A basalt fan structure is a basalt formation composed of columnar jointed basalt columns that have slumped into a fan shape. Such formations are most...
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  • Thumbnail for Columnar jointing
    Seogwipo on the island of Jeju is a popular tourist destination. Basalt fan structure Honeycomb conjecture Mudcrack Prism (geology) Syneresis crack Oregon...
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  • Thumbnail for Basalt
    of CO2 into the atmosphere. Basalt fan structure – Rock formation Basalt fiber – Structural fibres spun from melted basalt Bimodal volcanism – Eruption...
    70 KB (7,838 words) - 23:50, 4 December 2024
  • Thumbnail for Joint (geology)
    important part of geotechnical engineering in practice and research. Basalt fan structure Exfoliating granite Tessellated pavement Mandl, G. (2005) Rock Joints:...
    21 KB (2,490 words) - 15:22, 5 March 2024
  • Thumbnail for Watchung Mountains
    Palisades seen from First Watchung Mountain approximately 13 miles away Basalt fan structure Cushetunk Mountain, an igneous intrusion south of the Watchungs that...
    36 KB (4,159 words) - 13:37, 14 May 2025
  • Thumbnail for Ocean island basalt
    Ocean island basalt (OIB) is a volcanic rock, usually basaltic in composition, erupted in oceans away from tectonic plate boundaries. Although ocean island...
    26 KB (2,892 words) - 17:06, 17 May 2024
  • Thumbnail for Wadi
    Israel Oued Tissint, Morocco Dry fluvial channel cutting through columnar basalt in Namibia The Al Bithnah Fort in the Wadi Ham, United Arab Emirates The...
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  • Thumbnail for Continental rise
    (1,900 miles), make up one of the largest sedimentary structures in the world. Many alluvial fans also contain critical oil and natural gas reservoirs...
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  • Thumbnail for Thomsonite
    their derived pebbles are less than 0.6 cm (1/4 inch). Those enclosed in basalt are extremely difficult to remove without breaking them. Consequently, a...
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  • Thumbnail for Olympus Mons
    volcanoes on a smaller scale – see Mauna Kea). Like the basalt volcanoes on Earth, Martian basaltic volcanoes are capable of erupting enormous quantities...
    30 KB (3,606 words) - 05:14, 17 May 2025
  • Thumbnail for Zeitpyramide
    Zeitpyramide (category Buildings and structures in Donau-Ries)
    Instead of City Administration by Joseph Beuys, consisting of 7000 trees and basalt stone pillars planted over the course of five years. Organ²/ASLSP As Slow...
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  • Thumbnail for Passaic Formation
    mudrocks) and is overlain by the first Watching(Orange Mountain Formation) basalt. The Triassic/Jurassic boundary and correlated by pollen is located in the...
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  • Thumbnail for Ring of Fire
    Ring of Fire's stratovolcanoes are mainly andesite and basaltic andesite but dacite, rhyolite, basalt and some other rarer types also occur. Other types of...
    93 KB (9,630 words) - 20:50, 19 March 2025
  • is vesicular basalt. Due to the abundance (10–30% of rock volume) and size (up to 3 or 4 mm) of the vesicles, it is likely that the basalt was emplaced...
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  • Thumbnail for Carbon fibers
    are relatively expensive compared to similar fibers, such as glass fiber, basalt fibers, or plastic fibers. To produce a carbon fiber, the carbon atoms are...
    28 KB (3,019 words) - 23:21, 17 May 2025
  • material as the overlying bed. Rubbly tops and chilled bases of lava flows - Basaltic lava flows often have bases that show evidence of rapid cooling against...
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  • Thumbnail for Stilbite
    secondary hydrothermal mineral. It occurs in the amygdaloidal cavities of basaltic volcanic rocks, in andesites, gneiss and hydrothermal veins. It also forms...
    13 KB (1,475 words) - 21:39, 15 May 2025
  • Thumbnail for Volcanism of the Mount Edziza volcanic complex
    successive eruptions of highly mobile lava flows. Volcanic rocks such as basalt, trachybasalt, benmoreite, tristanite, mugearite, trachyte and rhyolite...
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  • Miocene-Early Pleistocene, a massive basaltic volcanic activity occurred. After the emission of alkali basalts during the Late Miocene, major volcanic...
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  • complex. It has vertically displaced Holocene basalt flows by 15 to 20 m (50 to 70 ft) and older basalt flows by 91 to 122 m (299 to 400 ft), such that...
    10 KB (1,078 words) - 15:33, 21 September 2024
  • Thumbnail for Geological hazard
    monitor geohazards with precision and timeliness. Eleven distinct flood basalt episodes occurred in the past 250 million years, resulting in large volcanic...
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  • Thumbnail for Geology of the Pacific Northwest
    sediment-sill complexes, basaltic to picritic pillow lavas, pillow breccia, and thick, massive basalt flows. Beaverhead impact structure, Idaho Cascade Range...
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  • and broad synclinal valleys formed by folding of Miocene Columbia River basalt flows and sediments. In most parts of the belt the folds have a north vergence...
    18 KB (1,425 words) - 05:02, 6 May 2024
  • Thumbnail for Geology of Tasmania
    Thirlstane Basalt is above at 38 million years ago, an alkali-olivine basalt. Then the Wesley Vale Sand follows, and the Moriarty Basalt is 50 meters...
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  • reactors have core catchers.[citation needed] The ABWR has a thick layer of basaltic concrete floor specifically designed to catch the core. A standby gas treatment...
    18 KB (2,218 words) - 18:41, 24 January 2025
  • Thumbnail for Anorthosite
    Anorthosite xenoliths in other rocks (often granites, kimberlites, or basalts) Of these, the first two are the most common. These two types have different...
    26 KB (3,164 words) - 21:01, 21 February 2025
  • Thumbnail for Mars
    Mars (redirect from Structure of Mars)
    surface is primarily composed of tholeiitic basalt, although parts are more silica-rich than typical basalt and may be similar to andesitic rocks on Earth...
    209 KB (18,461 words) - 20:56, 15 May 2025
  • Thumbnail for Siletzia
    Siletzia (redirect from Coast Range basalts)
    Siletzia is a massive formation of early to middle Eocene epoch marine basalts and interbedded sediments in the forearc of the Cascadia subduction zone...
    93 KB (10,270 words) - 22:03, 28 March 2025
  • Thumbnail for Permian–Triassic extinction event
    scientific consensus is that the main cause of the extinction was the flood basalt volcanic eruptions that created the Siberian Traps, which released sulfur...
    381 KB (40,884 words) - 00:44, 18 May 2025
  • landform Coastal and oceanic landforms include: Abyssal fan – Underwater geological structures associated with large-scale sediment deposition Abyssal...
    28 KB (8,296 words) - 22:13, 21 December 2024