- ultrabasic
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/ul'treuh bay"sik/, adj.(of rocks) containing iron and magnesium, with little or no silica.Also, ultramafic.[1890-95; ULTRA- + BASIC]
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Universalium. 2010.
ultrabasic
Look at other dictionaries:
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 — 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
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 — 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 — /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 …
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
