Corrosion residue (Inventory)/Yellow CR
From LagWiki

Corrosion residues. Most of the corrosion residue in this photo is yellow. The darker residue is red.
The Yellow CR field is used to record stations where yellow corrosion residue is found. The yellow is usually a kind of dirty yellow color.
See also
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