1-20 OF 41 RESULTS FOR

yarrowite

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 November 1980
The Canadian Mineralogist (1980) 18 (4): 511–518.
Image
RESULTS OF ELECTRON-MICROPROBE ANALYSES OF ATHABASCAITE, <span class="search-highlight">YARROWITE</span>, AND SPI...
Published: 01 February 2008
TABLE 2. RESULTS OF ELECTRON-MICROPROBE ANALYSES OF ATHABASCAITE, YARROWITE, AND SPIONKOPITE FROM THE MUSONOÏ MINE
Image
SELECTED COMPOSITIONS OF COVELLITE, <span class="search-highlight">YARROWITE</span>, SPIONKOITE AND GEERITE (?)
Published: 01 August 2007
TABLE 9. SELECTED COMPOSITIONS OF COVELLITE, YARROWITE, SPIONKOITE AND GEERITE (?)
Journal Article
Published: 01 April 2005
The Canadian Mineralogist (2005) 43 (2): 623–635.
...Frédéric Hatert Abstract L’observation des sections polies, réalisées dans les sulfures de cuivre provenant de veines de quartz de la région de Vielsalm, Massif de Stavelot, Belgique, a permis de reconnaître la bornite, la chalcopyrite, l’idaïte, la covellite, la yarrowite, la spionkopite...
FIGURES | View All (5)
Image
SEM photo of Au–Cu–Ag minerals in albite microveinlets in Ab–Px and Amp–Px ...
Published: 01 March 2018
-containing spionkopite with yarrowite intergrown with tetra-auricupride and copper electrum; d , copper sulfide (spionkopite and yarrowite) inclusions in copper electrum grain.
Journal Article
Published: 01 February 2008
The Canadian Mineralogist (2008) 46 (1): 219–231.
...TABLE 2. RESULTS OF ELECTRON-MICROPROBE ANALYSES OF ATHABASCAITE, YARROWITE, AND SPIONKOPITE FROM THE MUSONOÏ MINE ...
FIGURES | View All (9)
Journal Article
Published: 01 August 2007
The Canadian Mineralogist (2007) 45 (4): 723–750.
...TABLE 9. SELECTED COMPOSITIONS OF COVELLITE, YARROWITE, SPIONKOITE AND GEERITE (?) ...
FIGURES | View All (12)
Journal Article
Journal: Economic Geology
Published: 01 December 1995
Economic Geology (1995) 90 (8): 2143–2155.
..., and distribution of Cu-S minerals indicate progressive alteration from chalcocite to covellite in the sequence chalcocite-djurleite-anilite-geerite-spionkopite-yarrowite-covellite. Bornite compositions plot on the Cu-Fe-S phase diagram along a line between ideal bornite (Cu 5 FeS 4 ) and Idaite (Cu 3 FeS 4...
Image
Sequence of copper leaching and temperature determination on the basis of t...
Published: 01 February 2008
F ig . 8. Sequence of copper leaching and temperature determination on the basis of the Cu–S phase diagram. S: sulfur, Cv: covellite, Sp–Ya: spionkopite + yarrowite, An: anilite, Dg: digenite, Dj: djurleite, Cc: chalcocite (modified from Potter 1977 ).
Image
Photo (in refracted light) of electrum grain (470–500‰) in the interstices ...
Published: 01 March 2018
Fig. 9. Photo (in refracted light) of electrum grain (470–500‰) in the interstices of the albite–pyroxene matrix. The grain contains inclusions of tetra-auricupride and copper sulfides (anilite, geerite, spionkopite, and yarrowite) (stage Ic). The tetra-auricupride inclusions are similar in shape
Journal Article
Published: 01 March 2018
Russ. Geol. Geophys. (2018) 59 (3): 238–256.
...-containing spionkopite with yarrowite intergrown with tetra-auricupride and copper electrum; d , copper sulfide (spionkopite and yarrowite) inclusions in copper electrum grain. ...
FIGURES | View All (11)
Image
a. Replacement of Se-bearing digenite (Dg) by lamellar Se-bearing spionkopi...
Published: 01 February 2008
F ig . 3. a. Replacement of Se-bearing digenite (Dg) by lamellar Se-bearing spionkopite + yarrowite (SpYa). These sulfides are altered to malachite (Mal) and chalcomenite (Ch), which occur between quartz grains (Qtz). Reflected light, plane-polarized light (sample 1778). b. Grains of euhedral
Journal Article
Published: 23 June 2015
The Canadian Mineralogist (2015) 53 (1): 105–132.
... low-grade Cu-Ni sulfide minerals distributed along its heterogeneous base. The main association consists of magmatic intercumulus pyrrhotite, chalcopyrite, pentlandite, and cubanite. Secondary copper-bearing sulfide minerals (bornite, covellite, yarrowite, and digenite) are found within variously...
FIGURES | View All (10)
Journal Article
Journal: Economic Geology
Published: 01 May 2014
Economic Geology (2014) 109 (3): 581–620.
... early and volumetrically minor assemblage of chalcopyrite-bornite-luzonite-covellite that precipitated between approximately 180° and 110°C, a dominant stage of chalcocite-djurleite that precipitated in the range of 110° to 90°C, and a minor late assemblage of covellite-digenite-(spionkopite/yarrowite...
FIGURES | View All (24)
Journal Article
Published: 01 September 2012
European Journal of Mineralogy (2012) 24 (5): 879–884.
... are known: Cu 2 S, chalcocite; Cu 1.97 S, djurleite; Cu 1.8 S, digenite; Cu 1.75 S, anilite; Cu l.6 S, geerite; Cu 1.39 S, spionkopite; Cu 1.12 S yarrowite; CuS, covellite; CuS 2 ( Pattrick et al ., 1997 ). Among them, only four are thermodynamically stable at environmental conditions, namely chalcocite...
FIGURES | View All (4)
Journal Article
Published: 01 April 2003
The Canadian Mineralogist (2003) 41 (2): 546–548.
... is describing zoned arsenopyrite crystals from the Red Lake area (p. 119), rather than “...layered, and some of the layers enriched in gold”. In Table 7.2, where he lists supergene minerals, covellite appears twice, first as CuS, then as yarrowite and spionkopite. Cubanite, a fairly common Cu sulfide in many...
Image
BSE images of placer grains of chromian spinel (Chr): A) a composite inclus...
Published: 01 August 2013
Fig. 10 BSE images of placer grains of chromian spinel (Chr): A) a composite inclusion of phlogopite (Phl), clinopyroxene (Cpx) and a Cu-rich sulfide (“Cu–S”, possibly Fe 2+ -enriched yarrowite); B) minute inclusions of clinochlore (Chl), and C) an inclusion of laurite–erlichmanite (Lrt
Image
BSE images of placer grains of chromian spinel (Chr): A) a composite inclus...
Published: 01 August 2013
Fig. 10 BSE images of placer grains of chromian spinel (Chr): A) a composite inclusion of phlogopite (Phl), clinopyroxene (Cpx) and a Cu-rich sulfide (“Cu–S”, possibly Fe 2+ -enriched yarrowite); B) minute inclusions of clinochlore (Chl), and C) an inclusion of laurite–erlichmanite (Lrt
Image
BSE images of placer grains of chromian spinel (Chr): A) a composite inclus...
Published: 01 August 2013
Fig. 10 BSE images of placer grains of chromian spinel (Chr): A) a composite inclusion of phlogopite (Phl), clinopyroxene (Cpx) and a Cu-rich sulfide (“Cu–S”, possibly Fe 2+ -enriched yarrowite); B) minute inclusions of clinochlore (Chl), and C) an inclusion of laurite–erlichmanite (Lrt
Image
Reflected light photomicrographs and back scattered electron (BSE) images o...
Published: 23 June 2015
from a serpentine alteration zone; (f) cp replaced by bornite + covellite + yarrowite; (g) heazlewoodite replaces the primary pn in assemblage; (h) sandwich intergrowths of molybdenite (mo) and chlorite (chl); (i) primary po crosscut by mo + chl intergrowths that are accompanied by a subhedral arsenide