Maps showing distribution of heavy minerals on the south Texas outer continental shelf /

Bibliographic Details
Main Author:	Shideler, Gerald L.
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Flores, Romeo M.
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey, 1977.
Series:	Miscellaneous field studies ; map MF-841.
Subjects:	Heavy minerals > Texas > Coasts > Maps. Heavy minerals > Texas > Corpus Christi Region > Maps. Marine sediments > Texas > Coasts > Maps.

Description
Item Description:	Includes text and 6 ancillary maps. Ancillary maps: Opaque percentage -- Hornblende percentage -- Pyroxene percentage -- Tourmaline percentage -- Garnet percentage -- ZRT/PH ratio. Cartographic material.
Physical Description:	2 maps on 1 sheet ; 45 x 36 cm., sheet 106 x 79 cm., folded in envelope 25 x 31 cm.
Bibliography:	Includes bibliographical references.