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Перевод: igneous
[прилагательное] огненный; огневой; изверженный; вулканический; пирогенный; вулканического происхождения
Тезаурус:
- Environmental Science: Aspects of nature conservation; Hydrology, especially of peat-covered catchments; Coastal geomorphology and sedimentology including beaches and dunes; Sea-level changes and coastal evolution; Ecology and public impact; Structural geology; Glacial sedimentology; Soil mineralogy and weathering; Aspects of meteorology and geomorphology; Tertiary igneous rocks; Geochemistry; Vegetation and land-use surveying; Remote sensing and geographical information systems.
- Ballymacilroy finished in a series of greywacke sandstones believed to be Permian, cut by Tertiary basic igneous dykes or sills.
- To escape, the heat has to travel up through quite large thicknesses of continental crust, and a large proportion does not get very far; instead, it comes to rest and solidifies a few kilometres below the surface, forming enormous masses of igneous rock which have been forced or intruded into the crust and are known as batholiths (Greek origin, meaning something like deep stones).
- Other high hills in the Outer Hebrides are found where the igneous rocks of eastern South Uist crop out, and include Ben More and Hecla.
- Changes in geothermal gradient caused by higher heat flow related to such events as igneous intrusion may enhance the thermal evolution of such material (Teichmller and Teichmller, 1981).
- Thereafter, several research papers were published on the Lewisian complex, including Dearnley (1962), Myers (1970, 1971), Coward (1972, 1973) and Coward and; Graham (1973); and other papers have been concerned with the geology of the igneous complex of south Harris, and in particular, the anorthosite intrusion cropping out in the south east (Davidson 1943; Dearnley 1963).
- This type of alteration is called saussuritisation, and other similar types of hydrothermal alteration can be recognised in the other igneous rocks of the igneous complex of south Harris where they crop out in the thrust zone.
- Achondrites lack chondrules; they are igneous rocks or planetary "soils".
- The Outer Hebrides are composed primarily of metamorphic gneisses and igneous rocks of Precambrian age, apart from a small area near the town of Stornoway in Lewis, which has rocks of either upper Palaeozoic or lower Mesozoic age resting unconformably on the Precambrian rocks.
- The chosen spot, or site , for the castle and the city was a sheer crag of hard igneous rock.
- Given reasonable competence, therefore, the latest book about igneous rocks is almost bound to be the best in the sense that it will contain the most up to-date information on a fast moving field.
- The igneous complex is elongated in a north west-south east direction, and includes norite, anorthosite, tonalite and diorite as the main rock types present, all of which have been metamorphosed since their intrusion and are termed meta-igneous rocks by the British Geological Survey in the published map, with terms metanorite, meta-anorthosite, etc. being used.
- In South Harris a complex of igneous rocks, ranging from basic to acid types, has been intruded into the metasediments there.
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