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Examination of six talc samples from Duncan Enterprises.

Authors
Anonymous
Source
College Park, MD: U.S. Department of the Interior, Bureau of Mines, OFR 127-77, 1977 Jan; :1-26
Link
NIOSHTIC No.
10008279
Abstract
The report analyzes and identifies the mineral composition of six samples of rock containing talc as a major or minor constituent. The samples were examined using light optical microscopy, x-ray diffractometry, and scanning and transmission electron microscopy. In addition to talc, the following minerals were identified: nonasbestiform tremolite, antigorite-lizardite, calcite, dolomite, quartz, and (in one sample) a few bundles of fibrous tremolite.
Keywords
Talc; Microscopy; Electron microscopy; Mineralogy; Fibers; Asbestos; Amphiboles; Serpentine
Publication Date
19770101
Document Type
CP
Fiscal Year
1977
NTIS Accession No.
PB-271302
NTIS Price
A03
Identifying No.
OFR 127-77
NIOSH Division
CPRC
Source Name
College Park, MD: U.S. Department of the Interior, Bureau of Mines, OFR 127-77
State
MD
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