Like PAHs, these minerals -- mainly iron compounds called magnetite and pyrrhotite -- can come from inorganic sources. From Wordnik.com. [Come In, Mars] Reference
Traces of arsenopyrite and pyrrhotite have also been recognised. From Wordnik.com. [Marketwire - Breaking News Releases] Reference
This horizon generally contains from 5 to 25% sulphides consisting mainly of pyrite and pyrrhotite. From Wordnik.com. [The Earth Times Online Newspaper] Reference
Sphalerite, chalcopyrite and galena occur in varying amounts with pyrrhotite, pyrite and arsenopyrite. From Wordnik.com. [Marketwire - Breaking News Releases] Reference
Aside from silicate hosts (biotite and hornblende), uraninite is intergrown with pyrrhotite, molybdenite, and zircon. From Wordnik.com. [Digital50.com Digital 50 Daily Industry News RSS Feed] Reference
Marcasite and pyrrhotite, other iron sulphide minerals, are frequently found with pyrite and are used for the same purposes. From Wordnik.com. [The Economic Aspect of Geology] Reference
All drill holes intersected massive to semi massive sulphide sections of pyrrhotite with minor pyrite and trace chalcopyrite. From Wordnik.com. [Marketwire - Breaking News Releases]
The tested EM anomalies immediately up-ice of the Suitcase boulders are attributed to Fe sulphide (pyrrhotite) mineralization. From Wordnik.com. [Marketwire - Breaking News Releases]
The drillhole intersected a 3-metre thick section of graphitic, iron-rich (pyrrhotite) mudstone at a drilled depth of 139.7 metres. From Wordnik.com. [Marketwire - Breaking News Releases]
The main sulphide minerals are pyrite, arsenopyrite and pyrrhotite, while accessory minerals include bismuthinite, scheelite and sphalerite. From Wordnik.com. [Marketwire - Breaking News Releases] Reference
The 20 vein is comprised of an assemblage of semi-massive irregular clusters of sulphide chalcopyrite, pyrrhotite, pyrite, and minor tetrahedrite. From Wordnik.com. [Marketwire - Breaking News Releases] Reference
The veins and their envelope contain little sulphide (1-5% pyrrhotite-pyrite) but visible gold is frequently observed within the mineralized zones. From Wordnik.com. [Marketwire - Breaking News Releases]
Native GOLD in dacitic to rhyodacitic metavolcanic rocks and graphitic schists, associated with native antimony, minor arsenopyrite and pyrrhotite. From Wordnik.com. [Marketwire - Breaking News Releases] Reference
The hole yielded disseminated and net-textured pyrrhotite, pentlandite and chalcopyrite intermittently within pyroxenite, over a core length of 28.8 metres. From Wordnik.com. [Marketwire - Breaking News Releases] Reference
It comprises near solid pyrrhotite and chalcopyrite in brecciated gabbro with assays of 0. 66% Ni, 0. 90% Cu, 0. 09% Co, 68 ppb Pt, 227 ppb Pd and 46 ppb Au. From Wordnik.com. [The Earth Times Online Newspaper] Reference
The Main Zone prospect is a zone of 10-40% pyrrhotite-chalcopyrite mineralization that assayed 1. 22% Cu, 0. 95% Ni, 354 ppb combined Pt and Pd and 136 ppb Au. From Wordnik.com. [The Earth Times Online Newspaper] Reference
Exploration at the Triangle Lake showing in the 1950s and 1960s exposed zones of massive to semi-massive magnetite and pyrite-pyrrhotite-chalcopyrite-pentlandite. From Wordnik.com. [The Earth Times Online Newspaper] Reference
The unit contains patchy recrystallised chalcopyrite-pyrite - (pyrrhotite) - pentlandite, occasionally as stringers, with up to 5% combined sulphides over several centimetres. From Wordnik.com. [The Earth Times Online Newspaper] Reference
Mineralization consists of quartz-albite-calcite veining with disseminated pyrite, pyrrhotite and arsenopyrite hosted in pervasively silicified, brecciated siltstone and wacke. From Wordnik.com. [Marketwire - Breaking News Releases] Reference
The property features copper-silver-molybdenum-lead-zinc-gold bearing sulphide minerals which include chalcopyrite, pyrrhotite, pyrite, molybdenite, sphalerite, galena and covelite. From Wordnik.com. [TradingMarkets] Reference
Other conductors are located upstream of a pyroxenite-gabbro boulders weakly mineralized (pyrrhotite-pentlandite-chalcopyrite) that returned values of up to 0. 39% Ni and 0. 29% Cu. From Wordnik.com. [Marketwire - Breaking News Releases] Reference
The mineralisation is located within a series of stacked shallow-dipping massive and disseminated sulphide bodies, primarily consisting of chalcopyrite-pyrrhotite and pyrite mineralisation. From Wordnik.com. [Marketwire - Breaking News Releases] Reference
Diamond drilling on this zone intersected a 6.5 m section of gabbro with pyrrhotite and chalcopyrite that assayed up to 1. 09% Ni, 0. 37% Cu, 301 ppb combined Pt and Pd and 1110 ppm Co (0. 11%). From Wordnik.com. [The Earth Times Online Newspaper] Reference
One of these conductors is located in the vicinity of a showing of disseminated sulphide (pyrrhotite-pyrite-chalcopyrite) within amphibolites, which returned values of up to 0. 98% Cu and 0.29 g/t Au. From Wordnik.com. [Marketwire - Breaking News Releases] Reference
The Duport gold deposit is characterized by two main laterally persistent silicified shear zones referred to as the Main and East (Footwall) zones that contain stringer and disseminated pyrite, pyrrhotite and arsenopyrite. From Wordnik.com. [Marketwire - Breaking News Releases]
(pyrrhotite-pentlandite-chalcopyrite) that had graded up to 0. 67% Ni and 0. 74% Cu. From Wordnik.com. [Marketwire - Breaking News Releases] Reference
(pyrite, pyrrhotite, galena, sphalerite, + / - chalcopyrite) within altered sheared paragneiss. From Wordnik.com. [Marketwire - Breaking News Releases] Reference
(pyrrhotite, chalcopyrite and pentlandite) that has been interpreted to be injected breccia veins or hydrothermally remobilized nickel bearing massive sulphides. From Wordnik.com. [Marketwire - Breaking News Releases] Reference
9. 1% with pyrrhotite and the remaining 2. 0% with silicate minerals. From Wordnik.com. [Canadian Mining Journal : Headline News] Reference
(100-500 microns) hosted in massive pyrrhotite. From Wordnik.com. [Marketwire - Breaking News Releases] Reference
5. 0-5.2 pyrrhotite. From Wordnik.com. [Chapter 6] Reference
(pyrrhotite-pyrite) schist. From Wordnik.com. [Marketwire - Breaking News Releases] Reference
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