- picritic
- пикритовый (о магматической породе)
English-Russian dictionary of geology. 2011.
picritic
Смотреть что такое "picritic" в других словарях:
Hualālai — View of Hualālai over 1800 lava flow Elevation 8,271 ft (2,521 m) … Wikipedia
Magma — For other uses, see Magma (disambiguation). Lava flow on Hawaii. Lava is the extrusive equivalent of magma. Magma (from Greek μάγμα paste ) is a mixture of molten rock, volatiles and solids[1] … Wikipedia
Dunite — Not to be confused with Dunnite. Small volcanic bomb of (black) basanite with (green) dunite Dunite ( … Wikipedia
Ultramafic rock — Ultramafic (also referred to as ultrabasic) rocks are igneous and meta igneous rocks with very low silica content (less than 45%), generally >18% MgO, high FeO, low potassium, and are composed of usually greater than 90% mafic minerals (dark… … Wikipedia
Superior craton — in the west. The western margin extends from northern Minnesota through eastern Manitoba to northwestern Ontario.The formation of the Superior craton is best explained within the context of 2.72 2.68 Ga accretion of small continental plates and… … Wikipedia
Geology of the Pacific Northwest — The geology of the Pacific Northwest refers to the study of the composition (including rock, minerals, and soils), structure, physical properties and the processes that shape the Pacific Northwest region of the United States and Canada. The… … Wikipedia
Karmutsen Formation — The Karmutsen Formation is a Late Triassic volcanic sequence of tholeiitic pillow basalts and breccias on Vancouver Island, British Columbia, Canada. It is perhaps the thickest accreted section of an oceanic plateau worldwide, exposing up to 6000 … Wikipedia
North Atlantic Igneous Province — The North Atlantic Igneous Province (NAIP) is a large igneous province estimated to be at least 1.3×106 km2 in area and 6.6×106 km3 in volume.[1] Geographically, the NAIP makes up all of the North Atlantic Ocean as well as the Paleocene and… … Wikipedia
Kimberlite — à gros cristaux d’olivine La kimberlite est une roche ultramafique (riche en magnésium), potassique et riche en éléments incompatibles, ainsi qu en volatils (H2O et CO2). Elle doit son nom à la ville de Kimberley en … Wikipédia en Français
Picro-basalte — Les picro basaltes ou picrobasaltes sont des roches volcaniques de composition intermédiaire entre les foïdites et les basaltes d une part, entre les picrites et les basaltes d autre part. Ils sont définis, selon les recommandations de l Union… … Wikipédia en Français
Picrobasalte — Picro basalte Les picro basaltes ou picrobasaltes sont des roches volcaniques de composition intermédiaire entre les foïdites et les basaltes d une part, entre les picrites et les basaltes d autre part. Ils sont définis, selon les recommandations … Wikipédia en Français
