Additions and corrections for USGS bulletin 1623, three USGS mafic rock reference samples, W-2, DNC-1, and BIR-1
By: by F.J. Flanagan
Contributors: Geological Survey (U.S.)
Series: Open-file report -- 86-220; U.S. Geological Survey open-file report -- 86-220
Publisher: U.S. Geological Survey
Published: 1986
Place of publication: Reston, Va
Language: eng
Format: Microform
Subjects: Alkalic igneous rocks
Other titles: Three USGS mafic rock reference samples, W-2, DNC-1, and BIR-1
Notes: Distributed to depository libraries in microfiche

Bibliography: leaf 6

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1986]. 1 microfiche ; 11 x 15 cm