ultramafic rock
21Edaphic — In ecology, edaphic refers to plant communities that are distinguished by soil conditions rather than by the climate. Edaphic plant communities include:* Sandy soils: plant communities distinct to sandy, acidic, nutrient poor soils include the… …
22Soapstone — (also known as steatite or soaprock) is a metamorphic rock, a talc schist. It is largely composed of the mineral talc and is rich in magnesium. It is produced by dynamothermal metamorphism and metasomatism, which occurs at the areas where… …
23Pilot Knob (Austin, Texas) — Pilot Knob is a hill that is part of an extinct volcano located seven miles south of central Austin, Texas near Austin Bergstrom International Airport and McKinney Falls State Park.IntroductionPilot Knob is one of around 75 late Cretaceous Period …
24Harzburgite — The ultramafic rock, harzburgite, is a variety of peridotite consisting mostly of the two minerals, olivine and low calcium (Ca) pyroxene (enstatite); it is named for occurrences in the Harz Mountains of Germany. It commonly contains a few… …
25Cypress Island — Cypress Cypress Island from Rosario Strait …
26Gros Morne National Park — Infobox protected area | name = Gros Morne National Park iucn category = II caption = Location of Gros Morne National Park in Canada locator x = 254 locator y = 143 location = flagicon|Newfoundland and Labrador Newfoundland and Labrador, Canada… …
27amphibolite — amphibolitic /am fib euh lit ik/, adj. /am fib euh luyt /, n. Petrog. a metamorphic rock composed mainly of amphibole and plagioclase. [1825 35; AMPHIBOLE + ITE1] * * * Igneous or metamorphic rock composed largely or dominantly of amphibole… …
28dunite — /dooh nuyt, dun uyt/, n. a coarse grained igneous rock composed almost entirely of olivine. [1865 70; named after Mt. Dun in New Zealand, where it is found; see ITE1] * * * Yellowish green to green igneous rock composed almost entirely of olivine …
29Caprock — For the region near Texas, see Caprock, Texas. Caprock is a geological term for a harder or more resistant rock type overlying a weaker or less resistant rock type. Common types of caprock are sandstone and ultramafic rock types. In processes… …
30Mont Rougemont — Elevation 390 m (1,280 ft) …
