Hematite
Subject
Subject Source: Library of Congress Subject Headings
Scope Note: Created For = NAHSTE
Found in 1 Collection or Record:
Letter to Sir Archibald Geikie from Edward William Binney, 20 March 1865
Item
Identifier: Coll-74/11/8/53
Scope and Contents
Letter to Sir Archibald Geikie from Edward William Binney agreeing with Geikie that hematite is of volcanic origin. He debates the date of the start of the upper carboniferous period and the end of the permian period and gives some evidence for his thoughts on this.
Dates:
20 March 1865