Corrosion residue (Inventory)/Brown CR

From LagWiki

The Brown CR field is used to record stations where brown corrosion residue is found. The brown is usually a dark brown or even black. Manganese oxides often contribute these dark colors.

References

• Palmer, Arthur N. (2007) Cave Geology CAVE BOOKS, Dayton, OH p 338 ISBN-13: 978-0-939748-66-2, ISBN-10: 0-939748-66-5

Corrosion residue (Inventory)/Brown CR is a part of the cave inventory project.