1-4 OF 4 RESULTS FOR

Piteiras Mine

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Published: 01 December 2014
Mineralogical Magazine (2014) 78 (7): 1571–1587.
... from the Piteiras Mine, Minas Gerais, Brazil. These data complement those of Rondeau et al. ( 2003 ) who also presented analyses of the Piteiras emeralds. Emeralds are found typically as euhedral-to-anhedral crystals disseminated in biotite-phlogopite schist and range from 0.5 to 50 mm long. Emerald...
FIGURES | View All (10)
Image
Cross section through the ‘blackwall horizon’ (‘blackwall ore body’) at the...
Published: 01 December 2014
F ig . 2. Cross section through the ‘blackwall horizon’ (‘blackwall ore body’) at the Piteiras mine showing the three occurrences of emerald: disseminated emerald porphyroblasts in the black schist, at the margins of quartz lenses/boudins and at the contact of the irregular pegmatite bodies
Image
Sheared contact between the emerald-bearing ‘blackwall horizon’ and the par...
Published: 01 December 2014
F ig . 3. Sheared contact between the emerald-bearing ‘blackwall horizon’ and the paragneiss visible in the Piteiras emerald mine.
Journal Article
Journal: SEG Discovery
Published: 01 October 2002
SEG Discovery (2002) (51): 1–48.
... western NSW, nevertheless host Proterozoic Hope Brook mine, Canada sial, and has been addressed previously high-sulfidation deposits. These include (Dube et al., 1998); the late Proterozoic­ at Peak Hill (e.g., Allibone, 1998). the Paleoproterozoic Ena.sen deposit, early Cambrian Comparable deformed...