Mountain Massif


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Mountain Massif

 

a section of mountainous land that is more or less set apart and approximately equal in length and width, for example, Mont Blanc in the Alps and Mogoltau in Tien-Shan. Mountain massifs are characterized by relatively little dissection and are separated from adjacent mountain ranges by deep. wide valleys.

[7–319–2)

References in periodicals archive ?
--In Prahova County there are 3 mountain massifs: Bucegi, Baiului and Ciucas;
--Maramures County includes 2 mountain massifs: Maramures and Rodna (a national park and biosphera reservation);
With all these quantitative differences in mountain massifs number and implicitly in mountain areas, it can be noted that Harghita County has the same number of authorised ski slopes as Prahova County and a greater number than Maramures County.
and Hebert, R., 1998, Formation of chromitites by assimilation of crustal pyroxenites and gabbros into peridotitic intrusions: North Arm Mountain Massif, Bay of Islands ophiolite, Newfoundland, Canada: Journal of Geophysical Research, v.
and Komor, S., 1982, Mineral chemistry of ultramafic cumulates from the North Arm Mountain massif of the BW of Islands ophiolite: Evidence for high-pressure crystal fractionation of oceanic basalts: Journal of Geophysical Research, v.
and Buder, J.C., 1985, Major element variations in basalts ans diabases from the North Arm Mountain massif, Bay of Islands ophiolite: Implications for magma chamber processes at mid-ocean ridges: Tectonophysics, v.
The different Rhainopomma species are mostly restricted to certain mountain massifs, another identification aid.
Kilimanjaro (closer together, e.g., than North Pare to South Pare) and both mountain massifs share some montane taxa (e.g., Aerotegmina, Anthracites, Amytta, Chromothericles), Rhainopomma never reached Kilimanjaro and Altiusambilla did not spread into the forests of the Eastern Arcs.
Major mountain massifs are composed mainly of Upper Cretaceous sandstone complexes whereas morphological depressions are composed of units with higher representation of mudstones of Upper Cretaceous and Palaeogene age.
Consequently, the whole mountain massifs experience gravitational spreading and break-up, which is well documented by development of deep and widespread deformations.
Despite the estimated loss of material, the denudation processes and degradation are not sufficient and balanced, resulting in gravitational break-up of whole mountain massifs.
It lives in the Himalayas and other Asiatic mountain ranges and in some African mountain massifs; it is almost extinct in Europe, with a reduced population in the Pyrenees that is showing some signs of recovery.