U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Dilco

Usage:

Dilco Coal Member of Crevasse Canyon Formation (NM*)
Dilco Member of Crevasse Canyon Formation of Mesaverde Group (NM)


Geologic age:

Late Cretaceous (Coniacian)*


Type section, locality, area and/or origin of name:

Named from village of Dilco, [in sec. 22, T. 15 N., R. 19 W., McKinley Co.], northwestern NM (Sears, 1925).


AAPG geologic province:

Orogrande basin*
San Juan basin*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates published by U.S. Geological Survey authors.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).