Glossary of Selected Geologic Terms
Muhammad Qasim (noreply@blogger.com)
a'a —a lava rock with a ropey, frothy surface texture formed as a cooling crust on a fluid lava flow. ablation —the removal of snow and ice by melting or evaporation, typically from a glacier or ice field. abrasion —the process of wearing down or rubbing away by means of friction, typically by wind-blown dust or sand. absolute dating —general term applied to a range of techniques that provide estimates of the age of objects, materials, or sites in real calendar years either directly or through a