Description
Item Description:Title from title screen (viewed September 29, 2014).
"Metamorphic and igneous rocks along the northwest border zone of the Idaho batholith."
"Petrologic study of anorthosite and its country rocks northwest of the Idaho basolith."
Physical Description:1 online resource (v, B78 pages) : illustrations, maps + 1 plate.
Bibliography:Includes bibliographical references (pages B74-B75) and index.