has quality
composed primarily of
permafrost
envoPolar
https://en.wikipedia.org/wiki/Permafrost
LTER:408
An environmental material which is 1) composed primarily of soil or rock and included ice or organic material and 2) at or below the freezing point of water for two or more years.
Ice is not always present, as may be in the case of nonporous bedrock, but it frequently occurs and it may be in amounts exceeding the potential hydraulic saturation of the ground material.
rock
soil
sediment
environmental material
decreased temperature