Feature Types

Search restricted to attribute 1164 - Rock_Type

Use link on Feature Type Code to see details of that Feature Type.

Code Feature Type Definition
142 Cave An underground hollow with access from the ground surface or from the sea, often found in limestone areas and on rocky coastlines.
241 Marker bed A geological formation serving as a marker - an easily recognised stratigraphic feature with distinctive characteristics traceable over long distances.
279 Rock Any aggregate of minerals that makes up part of the earth's crust. It may be unconsolidated, such as sand, clay, or mud, or consolidated, such as granite, limestone, or coal.
339 Vein A thin, sheetlike igneous intrusive body.