Lead and zinc: zinc blende, chalcopyrite, galena, lead, zinc and copper concentrates.    From Wordnik.com.  [New York at the Louisiana Purchase Exposition, St. Louis 1904 Report of the New York State Commission] Reference

The common are is chalcopyrite, a copper sulphide; that is, it is composed of copper and sulphur.    From Wordnik.com.  [The Western United States A Geographical Reader] Reference

In places the chalcopyrite has been changed to the delicate green carbonate of copper called malachite.    From Wordnik.com.  [The Western United States A Geographical Reader] Reference

~ Much of the copper of commerce is made from chalcopyrite and bornite, and these ores are more difficult to work.    From Wordnik.com.  [An Elementary Study of Chemistry] Reference

The copper in these deposits occurs as primary chalcopyrite (CuFeS2) or the important secondary copper mineral chalcocite (Cu2S).    From Wordnik.com.  [Rhenium] Reference

Mineralization is principally chalcopyrite, bornite, and electrum.    From Wordnik.com.  [Marketwire - Breaking News Releases]

Some deeper creek exposures show common chalcopyrite and lesser covellite.    From Wordnik.com.  [ACN Newswire] Reference

The ore contains besides free gold, galena, blende, chalcopyrite and pyrite.    From Wordnik.com.  [North Carolina and its Resources.] Reference

Only rare occurrences of pyrite and chalcopyrite are noted within the samples.    From Wordnik.com.  [Marketwire - Breaking News Releases] Reference

Mineralization is principally chalcopyrite, native gold, native copper, and electrum.    From Wordnik.com.  [Marketwire - Breaking News Releases]

Other minerals of considerable importance in some districts are chalcopyrite and bornite.    From Wordnik.com.  [The Economic Aspect of Geology] Reference

Sphalerite, chalcopyrite and galena occur in varying amounts with pyrrhotite, pyrite and arsenopyrite.    From Wordnik.com.  [Marketwire - Breaking News Releases] Reference

Mixed copper mineralization may contain both chalcocite-covellite and chalcopyrite-bornite mineralization.    From Wordnik.com.  [The Earth Times Online Newspaper] Reference

The ore bodies consist of masses of chloritic and sericitic schists, intermixed with pyrite and chalcopyrite.    From Wordnik.com.  [North Carolina and its Resources.] Reference

These wall rocks are locally sheared, sericite altered and mineralized with pyrite, rhyolite and chalcopyrite.    From Wordnik.com.  [Marketwire - Breaking News Releases]

The one is complex; vitreous copper ore, malachite, chrysocolla, chalcopyrite and some pyrite, besides free gold.    From Wordnik.com.  [North Carolina and its Resources.] Reference

It should be noted that molybdenite and chalcopyrite mineralisation was observed in other skarn and breccia zones.    From Wordnik.com.  [Latest News - Yahoo!7 News] Reference

The area was prospected with the beep mat and several buried boulders containing chalcopyrite mineralization were found.    From Wordnik.com.  [Marketwire - Breaking News Releases] 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 Copper mineralization is hosted within an altered granite unit and occurs as disseminations of chalcopyrite and malachite.    From Wordnik.com.  [The Earth Times Online Newspaper] Reference

Mineralisation occurs in garnet-rich calc-silicate skarn with sulphide minerals including chalcopyrite, bornite and molybdenite.    From Wordnik.com.  [Latest News - Yahoo!7 News] Reference

The gold-copper mineralization is associated with pyrite and chalcopyrite within wide-spread zones of chlorite-epidotic alteration.    From Wordnik.com.  [Marketwire - Breaking News Releases] Reference

Mineralization at WC2 Showing is hosted in shears and fractures and comprises disseminated and blebby chalcopyrite with weak to moderate malachite.    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

DDH-LC-2009-4 and DDH-LC-2009-5 intersected brecciated, weakly silicified andesite tuff with minor pyrite and chalcopyrite stringers over 25 metres in width.    From Wordnik.com.  [Marketwire - Breaking News Releases] Reference

The first zone consisted of galena-pale green sphalerite-chalcopyrite and pyrite mineralization in stringers and semi-massive veins near the top of the holes.    From Wordnik.com.  [Marketwire - Breaking News Releases] 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

Stringers of chalcopyrite up to 5% by volume associated with a bornite-cemented breccia along a shear zone are exposed on a 40 metre high cliff face on the property.    From Wordnik.com.  [Marketwire - Breaking News Releases] Reference

The altered zones are now dominated by a mineral assemblage rich in haematite, carbonate, sericite, chlorite and sulphides, dominantly pyrite, but with minor chalcopyrite.    From Wordnik.com.  [Mineweb - Daily news headlines] Reference

The copper mineralization within the upper 300 metres of the deposit includes both supergene digenite-covellite and hypogene chalcocite-bornite replacing earlier chalcopyrite.    From Wordnik.com.  [Marketwire - Breaking News Releases]