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The transition zone is the part of Earth's mantle that is located between the lower and the upper mantle, most strictly between the seismic-discontinuity depths of about 410 to 660 kilometres (250 to 410 mi), but more broadly defined as the zone encompassing those discontinuities, i.e., between about 300 and 850 kilometres (190 and 530 mi) depth. [1]
The transition zone is dominated by the Mogollon Plateau at the southern edge of the Coconino Plateau of the Flagstaff region and the San Francisco volcanic field; the Mogollon Rim borders the plateau which extends from Oak Creek Canyon on the west, to the east at the highest elevations of Arizona in the central and western White Mountains.
English: Approximate area of the Central Forests-Grassland Transition Zone ecoregion - Central United States. Ecoregion of the Temperate grasslands, savannas, and shrublands and Temperate broadleaf and mixed forests Biomes.
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The Arizona transition zone mountain ranges — in the Mogollon Rim region, across central Arizona. Locator map of the Arizona transition zone . This is a non-diffusing subcategory of Category:Mountain ranges of Arizona .
Transition zones: Mexican transition zone (Nearctic–Neotropical transition) Saharo-Arabian transition zone (Palearctic–Ethiopian transition) Chinese transition zone (Palearctic–Oriental transition zone transition) Indo-Malayan, Indonesian or Wallace's transition zone (Oriental–Australian transition)
The eastern forest–boreal transition is a temperate broadleaf and mixed forests ecoregion of North America, mostly in eastern Canada. It is a transitional zone or region between the predominantly coniferous Boreal Forest and the mostly deciduous broadleaf forest region further south.
Transition zone (Earth), a part of the Earth’s mantle located between the lower mantle and the upper mantle; Transition zone, the region between the near and far fields of a transmitting antenna; Transition zone (TZ), a glandular region of the prostate—see Prostate#Zones; Zone of transition, a zone in urban planning; Ciliary transition zone ...