enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Terrane - Wikipedia

    en.wikipedia.org/wiki/Terrane

    In geology, a terrane (/ t ə ˈ r eɪ n, ˈ t ɛr eɪ n /; [1] [2] in full, a tectonostratigraphic terrane) is a crust fragment formed on a tectonic plate (or broken off from it) and accreted or "sutured" to crust lying on another plate. The crustal block or fragment preserves its distinctive geologic history, which is different from the ...

  3. Category:Terranes - Wikipedia

    en.wikipedia.org/wiki/Category:Terranes

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us

  4. Smartville Block - Wikipedia

    en.wikipedia.org/wiki/Smartville_Block

    Geologic map depicting the Smartville Complex (in brown) and other accreted terranes in California. [1]The Smartville Block, also called the Smartville Ophiolite, Smartville Complex, or Smartville Intrusive Complex, is a geologic terrane formed in the ocean from a volcanic island arc that was accreted onto the North American Plate during the late Jurassic (~160–150 million years ago).

  5. List of tectonic plates - Wikipedia

    en.wikipedia.org/wiki/List_of_tectonic_plates

    Proto-Alps Terrane; Rhenohercynian plate – Fold belt of west and central Europe, formed during the Hercynian orogeny; Sarmatian Craton – The southern part of the East European Craton or Baltica, also known as Scythian Plateau; Saxothuringian plate – Structural or tectonic zone in the Hercynian or Variscan orogen of central and western Europe

  6. Yukon–Tanana Terrane - Wikipedia

    en.wikipedia.org/wiki/Yukon–Tanana_Terrane

    The Yukon–Tanana Terrane (YTT) is a tectonic terrane that extends from central Alaska through central Yukon and into northern British Columbia, Canada and Southeast Alaska, USA. Extending over 2000 km, the YTT is the largest tectonostratigraphic terrane in the northern North American Cordillera . [ 1 ]

  7. Grouse Creek block - Wikipedia

    en.wikipedia.org/wiki/Grouse_Creek_block

    [17] [18] The Wyoming craton can be differentiated from other Archean terranes by an enriched 207 Pb/ 204 Pb ratio that is hypothesized to represent early crustal extraction, as well as samarium and neodymium ratios providing rock ages of up to 4.0 Ga. [14] Investigation of lead and neodymium isotope ratios in the Grouse Creek block provide ...

  8. Torlesse Composite Terrane - Wikipedia

    en.wikipedia.org/wiki/Torlesse_Composite_Terrane

    The Torlesse Composite Terrane is a plate tectonic terrane forming part of the South Island of New Zealand. It contains the Rakaia, Aspiring and Pahau Terranes and the Esk Head Belt. [ 1 ] Greywacke (or Torlesse Greywacke ) is the dominant rock type of the composite terrane; argillite is less common and there are minor basalt occurrences.

  9. Hebridean Terrane - Wikipedia

    en.wikipedia.org/wiki/Hebridean_Terrane

    The Hebridean Terrane forms the westernmost strip of mainland Scotland, most of the Inner Hebrides and all of the Outer Hebrides.Similar rocks are also thought to be present in Shetland and have been proved west and north of the Outer Hebrides by BGS shallow boreholes and hydrocarbon exploration wells.