Relation of particle dimension to carcinogenicity in amphibole
asbestoses and other fibrous minerals.
The Libby amphibole
(LA) sample collected from the Rainy Creek complex near Libby, Montana, in 2007 was size fractionated to isolate a rat respirable fraction (particulate matter < 2.
Non-ideal interactions in calcic amphiboles
and their bearing on amphibole
The most abundant mafic Mineral is green amphibole
of magnesio-hornblende composition (Fig.
It is essentially composed of perthite and quartz with smaller to trace amounts of plagioclase biotite amphibole
(not in all) opaque oxide titanite apatite and zircon.
These rocks are composed mainly of chlorite and actinolite to amphibole
schists, the last of them with or without garnet, with minor amphibolites and garnet-bearing amphibolites and subordinate amounts of eclogites, serpentinized peridotites and metabasalts.
This dyke is made up of a subequigranular rock containing brownish feldspar, larger grains of quartz, and small quantities of amphibole
and opaque oxide.
2-18] are slightly concave-upward, suggesting amphibole
Fine-grained, nepheline- and cancrinite-absent syenite is most commonly found in the northern part of the pluton and is characterized by accessory Na-rich amphibole
and pyroxene (Fig.
Compared to amphiboles
in the tremolite-actinolite-ferroactinolite series (Deer et al.
Potentially shorter latencies of pleural disease among Libby amphibole
(LA)-exposed workers compared with workers exposed to other forms of asbestos (Larson et al.
Major element compositions of olivine, orthopyroxene, clinopyroxene, plagioclase, amphibole
and phlogopite has been analysed directly on polished thin and thick (130 [micro]m) sections at the Centro Nacional de Microscopia Electronica (Complutense University of Madrid) using a JEOL JXA-8900 M electron microprobe with four wavelength-dispersive spectrometers.