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Flathead Thrust Faulted Carbonate-Rich Mountains
Ecoregion
in
Flathead NF
,
Rocky Mountains
in
MT
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The high, wet, glaciated Flathead Thrust Faulted Carbonate-Rich Mountains ecoregion lies west of the Continental Divide where maritime influences, including average annual maximum precipitation, are greater than to the east. The ecoregion is characteristically, but not wholly, underlain by Paleozoic limestones, sandstones, and quartzites. Its carbonate-rich rocks significantly influence water quality, available water quantity, soils, vegetation, and aquatic biota and help to differentiate the ecoregion from the neighboring Western Canadian Rockies (41c) and the Rattlesnake-Blackfoot-South Swan-Northern Garnet- Sapphire Mountains (17x). Glacial drift, colluvium, and volcanic ash are common.
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Ecoregion
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