ultrabasic
adjective Etymology: International Scientific Vocabulary Date: 1881 extremely basic; specifically very low in silica and rich in iron and magnesium minerals • ultrabasic noun

New Collegiate Dictionary. 2001.

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  • ultrabasic — “+ adjective Etymology: International Scientific Vocabulary ultra + basic : extremely basic : very low in silica and rich in ferromagnesian minerals ultrabasic igneous rocks peridotite is ultrabasic …   Useful english dictionary

  • ultrabasic — /ul treuh bay sik/, adj. (of rocks) containing iron and magnesium, with little or no silica. Also, ultramafic. [1890 95; ULTRA + BASIC] * * * …   Universalium

  • ultrabasic — adjective ultramafic …   Wiktionary

  • ultrabasic — ul·tra·basic …   English syllables

  • ultrabasic — ul•tra•ba•sic [[t]ˌʌl trəˈbeɪ sɪk[/t]] adj. gel pet (of rocks) containing iron and magnesium, with little or no silica • Etymology: 1890–95 …   From formal English to slang

  • ultrabasic rock — ultrabazinė uoliena statusas T sritis chemija apibrėžtis Magminė uoliena, turinti iki 40% SiO₂. atitikmenys: angl. ultrabasic rock rus. ультраосновная порода …   Chemijos terminų aiškinamasis žodynas

  • ultrabasic rock — /ʌltrəˌbeɪsɪk ˈrɒk/ (say ultruh.baysik rok) noun a rock which contains less silica than basic rock; rock containing less than 45 per cent of silica …   Australian English dictionary

  • Precambrian time — Interval of geologic time from с 3. 8 billion years ago, the age of the oldest known rocks, to 544 million years ago, the beginning of the Cambrian Period. This interval represents more than 80% of the geologic record and thus provides important… …   Universalium

  • Nabalamprophyllite — General Category Sorosilicate Chemical formula Ba(Na,Ba){Na3Ti[Ti2O2Si4O14](OH,F)2} Crystal symmetry Monoclinic, P2/m …   Wikipedia

  • Geography of New Caledonia — New Caledonia Map of New Caledonia Geography Location …   Wikipedia

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