The Ore Mineralogy of the Kedrovskoe Gold Deposit (the Muya Region, the Republic of Buryatia, Russia)
The ore mineralogy of the largest quartz vein, Osinovaya, at the Kedrovskoe gold deposit has been studied. Three stages of mineral formation, namely, marcasite–pyrrhotite–pyrite, gold–polysulfide, and hypergenic stages are identified. Native gold is attributed to the gold–polysulfide stage and is re...
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| Veröffentlicht in: | Moscow University geology bulletin 2018-07, Vol.73 (4), p.380-389 |
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| creator | Bondar’, D. B. Chugaev, A. V. Polekhovskii, Yu. S. Koshlyakova, N. N. |
| description | The ore mineralogy of the largest quartz vein, Osinovaya, at the Kedrovskoe gold deposit has been studied. Three stages of mineral formation, namely, marcasite–pyrrhotite–pyrite, gold–polysulfide, and hypergenic stages are identified. Native gold is attributed to the gold–polysulfide stage and is represented by two generations. The earlier high fineness generation (600–870, 780–820 prevails) cements the fragments of pyrite grains or forms inclusions in pyrite, and the later low fineness generation (520–580, 540–580 prevails) is associated with sphalerite–chalcopyrite–galena veinlets in pyrite. The disappearance of arsenious pyrite, the increase in iron content of sphalerite, and the change in pyrite to pyrrhotite with depth is recorded. |
| doi_str_mv | 10.3103/S0145875218040038 |
| format | Article |
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B. ; Chugaev, A. V. ; Polekhovskii, Yu. S. ; Koshlyakova, N. N.</creator><creatorcontrib>Bondar’, D. B. ; Chugaev, A. V. ; Polekhovskii, Yu. S. ; Koshlyakova, N. N.</creatorcontrib><description>The ore mineralogy of the largest quartz vein, Osinovaya, at the Kedrovskoe gold deposit has been studied. Three stages of mineral formation, namely, marcasite–pyrrhotite–pyrite, gold–polysulfide, and hypergenic stages are identified. Native gold is attributed to the gold–polysulfide stage and is represented by two generations. The earlier high fineness generation (600–870, 780–820 prevails) cements the fragments of pyrite grains or forms inclusions in pyrite, and the later low fineness generation (520–580, 540–580 prevails) is associated with sphalerite–chalcopyrite–galena veinlets in pyrite. 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The disappearance of arsenious pyrite, the increase in iron content of sphalerite, and the change in pyrite to pyrrhotite with depth is recorded.</description><subject>Crystals</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Geology</subject><subject>Gold</subject><subject>Mineralogy</subject><subject>Pyrite</subject><subject>Pyrrhotite</subject><issn>0145-8752</issn><issn>1934-8436</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kE1Lw0AQhhdRsFZ_gLcFLwqN7meSPWrVKrYUaj2Hze60psZs3U2E_HsTK3gQTwPzPs8MvAidUnLJKeFXz4QKmSaS0ZQIQni6hwZUcRGlgsf7aNDHUZ8foqMQNoRIqQQZIFi-Ap57wLOiAq9Lt26xW-G62z6B9e4zvDnAE1dafAtbF4oan_fhrGk1XsC6cNXom17AtsnLwvT2TeNbXRd6hBdNCIW-OEYHK10GOPmZQ_Ryf7ccP0TT-eRxfD2NDKdxHTFmbUKMVYYKwzSPJUsoSyExkHNGSCy4EiaXLBUppZDbVCXECqKslUCt5kN0tru79e6jgVBnG9f4qnuZMaJUooSQoqPojjLeheBhlW198a59m1GS9W1mf9rsHLZzQsdWa_C_l_-XvgBwvHR_</recordid><startdate>20180701</startdate><enddate>20180701</enddate><creator>Bondar’, D. 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| subjects | Crystals Earth and Environmental Science Earth Sciences Geology Gold Mineralogy Pyrite Pyrrhotite |
| title | The Ore Mineralogy of the Kedrovskoe Gold Deposit (the Muya Region, the Republic of Buryatia, Russia) |
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