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Daoping ã®ç©èªã¯ãæ¡æå°åºã® reversal ã®ã銎æã¿ã®ãã¿ãŒã³ãšããŠå§ãŸããŸããïŒåŸã«åéå®¶ãéè·¯ã§ç«ã¡æ¢ãŸãããçŽ æã¯ããã€ãŠã¯å»æ£ç©ã ã£ãã®ã§ãã Rock Currier ã®èšè¿°ã«ããã°ãå€ãé±å€«ãã¡ã¯å°åã®ç·è²é±ç©ãç¥ã£ãŠããªãããåéå®¶ã«ãšã£ãŠã®äŸ¡å€ãæããã«ãªããŸã§æšãŠãŠããŸãããæšæ¬ã¯é·æ²ã®å°è³ªèª¿æ»æãžæã¡èŸŒãŸãããªã³é žå¡©ç³»é±ç© pyromorphiteïŒçéé±ïŒãšåå®ãããŸãããååŒäººã¯ãã®çŽ æãèŠãŠãåœéåžå Žã§äœãæå³ãåŸãããçè§£ããCurrier ãè¿°ã¹ãããã«ãæ¥ããå§ãŸã£ããã®ã§ãã
æåã®éèŠãªåæ¥çŽ æã¯ãæŽç¶ãšããåäžé±å±±ã®çºèŠã§ã¯ãããŸããã§ããã1999幎6æãpyromorphite ãéœæã®ãã³ãã« 1335 ããã³ 1370 ããæ¡éãããŸãããæ°åã¯ãã³ãã«ã®æšé«ãã¡ãŒãã«ã§ç€ºããŠããŸããæåã®ããããæåè£ã«å£²ããåŸãé±å€«ãã¡ã¯ããå€ããæ¢ãå§ããŸããã2000幎1æããã³2æã«ã¯ãpyromorphite ãDaopingã®ãã³ãã« 2398ã3250ã3199 ã§ãèŠã€ãããŸããããããã®ãã³ãã«çªå·ã¯çŽã®äžã§ã®åãªãã©ãã«ã§ã¯ãªããå±±ã®ç°ãªãæšé«ãšäœæ¥ãšãªã¢ã瀺ããè²ãçµæ¶åœ¢ãå質ã®ç°ãªãé£ç¶ããç£åºãçã¿åºããŸããã
éœæã®åæã®ãã±ããã®äžã€ãããã³ãã« 1370 ããã³ 1335 ã§èŠã€ããã1999幎6æãã2000幎4æã®éã«çžå¿ãããªãäœå質ã®é»è²ã pyromorphite ã®ããªãã®éãçã¿åºããŸãããæå€§ã®çµæ¶ã¯çŽåŸ2.5 cmãé·ã4 cm ãŸã§å ±åãããŸããããã±ããèªäœã®æé¢ã¯çŽ60 à 70 cmã§ã20 à 20 à 20 cm çšåºŠã®å€§ããªå¡ã4åãä»ã«ãå€ãã®å°ããªæšæ¬ãååãããŸããã2000幎5æä»¥éããã®äŸçµŠæºã¯ significant pockets ãç¶ç¶ããŠæäŸããªããªããŸããã
Daoping ã®ãã³ãã« 2398 ã¯ãå¥ã®ã¿ã€ãã®ç£åºãçã¿åºããŸãããããã§ã¯2000幎3æã«æšæ¬ã®çç£ãå§ãŸãã4æã«ã¯é±æ¥è¡æ¿ãšå¥çŽããå»ºèšæ¥è ã® Mr. Jiang ã pyromorphite æšæ¬ãæãããã«ç¹å¥ã«å¥çŽããŸãããçç£çãªäºè£ã¯çããããããå¹ 5 cm ãŸã§ã§ãçµæ¶ã¯éåžžå°ãããçµæ¶ã®é·ã㯠1.5 cm ãè¶ ããŸããã§ãããè²ã¯äžè¬çã«æ¿ãç·è²ã§ããããã±ããã¯æå±€åž¯ã®èµ°åã«æ²¿ã£ãŠç¶ãã2000幎11æãŸã§ã«ã¯ãã®ãã³ãã«å šäœã®çç£éã 400 ã 500 kg ã®æšæ¬ãšèŠç©ããããã»ã©ãéåããçŸãç¶ããŸããã
ãã³ãã« 3250 ã¯äŒèª¬ãšãªããŸãããCurrier ã®ã¡ã¢ã¯ããããåœæã€ã³ãäžåœã®æè¯ã§æã䟡å€ã®é«ã pyromorphites ãçã¿åºããå¯èœæ§ããããã³ãã«ãšããŠç¹å®ããŠããŸãã2000幎6æ17æ¥ã«ãé±å€«ã¯çŽåŸçŽ 1 cm ã®æç·è²ã¯ãªã¹ã¿ã«ãå«ã倧ããªãã±ãããçºèŠããŸããã6æ18æ¥ãã21æ¥ã«ãããŠã圌ãã¯éæŸç Žç åž¯ã«æ²¿ã£ãŠå€ãã®å°ããªãã±ãããéãçŽããçŽåŸçŽ 1 cmãé·ãçŽ 3 cm ã®çµæ¶ãååããæå€§ã§ 30 à 40 cm ã®æšæ¬ãåŸãããŸãããå¥çŽè ã® Mr. Zhou ã¯ãçŽ 70 ç®±åã®ææâæ°ååã®æšæ¬ãç·éé㯠1 ãã³ä»¥äžãçã¿åºããŸãããTunnel 3199 produced quantity on another scale. Between February and April 2000, more than 10,000 pieces of yellowish pyromorphite were reported. The crystals were all under 1 cm, while individual specimens ranged from less than 2 cm across to about 30 à 30 cm. Pocket sizes ranged from about 20 à 30 cm to a maximum of 100 à 100 à 300 cm. After February, only several small pockets with green hair-like and yellow pyromorphite were found.
The mine setting behind those numbers was rugged and industrial, not romantic hand-collecting in a roadside quarry. Gongcheng lies about 120 km southeast of Guilin, with additional travel by steep, winding roads to the mining district. The mountain workings were numerous: more than 100 tunnels were reported at Daoping, with roughly 70 active at the time of Currierâs notes, and many were not accessible by road. Workers walked to the tunnels, and ore was moved down to the main road by ropeway.
The human scale was just as striking. Daoping employed hundreds of workers over decades and produced lead and zinc metal by conventional, labor-intensive methods. Yangshuo was smaller but still a substantial operation. Once pyromorphite specimens proved valuable, the specimen economy layered itself onto an existing industrial mine: contractors signed agreements, miners followed narrow oxidized fractures, dealers met material in cities such as Changsha and Guilin, and what had been discarded green lead mineral became one of the defining mineral âexplosionsâ of 2000.## é±ç©èšé²ãšå ¬è¡šç©
Guanghua Liu and Berthold Ottens, âDaoping mine, Guangxi, China,â The Mineralogical Record, 36(1), 25â33, 2005 â äžåœ I 巻㮠The Mineralogical Record ã«æ²èŒããã Daoping äºäŸã®ã³ã¢å°è³ªèšäºã
ResearchGate entry for Liu and Ottens, âDaoping mine Guangxi, China,â 2005 â 1999 幎ã«é®®ãããªç·è²ã®ããªã¥ãŒã ç£é·ç³ããããŠæ°ã»ã³ãé·ã®çµæ¶ã®çºèŠãããããšã瀺ãèŠçŽãæäŸã
Thomas P. Moore, âWhatâs New in Minerals â Houston Show 2009,â The Mineralogical Record, 40(4), 327â329, 2009 â åŸã®åžå ŽåºçŸãšããã¥ãŒã¹ãã³å±ç€ºå ±åã§è°è«ããã Guangxi é垯ææã®èšé²ã
Berthold Ottens, âPlumbogummit und Pyromorphit aus Guangxi/China,â Lapis, 39(12), 12â22, 2014 â åŸã®ãDaopingããŸãã¯ãYangshuoããšã©ãã«ä»ããããéè²ãã©ã ããŽãããæšæ¬ã®èšæ£ã«éèŠã
Wendell E. Wilson and Thomas P. Moore, âThe Laohuan Mine, Gongcheng, Zhuang, Guangxi, China,â The Mineralogical Record, 53(6), 697â732, 2022 â Laohuan ã®ãã©ã ããŽãããå°è³ªãš Daoping-Yangshuo ããªã¢ã«ãã¡ã€ãé±å±±ãšã®æ··åãæç¢ºåã
Hiroki Okudera, âRelationships among channel topology and atomic displacements in the structures of Pb5(BO4)3Cl with B = P (pyromorphite), V (vanadinite), and As (mimetite),â American Mineralogist, 98(8â9), 1573â1579, 2013 â Daoping é±å±±ã»åºè¥¿çäžåœç£ã®ãã©ã ããŽããããå«ãæ§é ç ç©¶ã
Mindat specimen record: Pyromorphite, Daoping Mine, 35 à 27 à 10 cm, photographed by Wei Xi Wang â ç·è²ãé®®ãããªéåžžã«å€§ããªçŸä»£ã®å±ç€ºæšæ¬ãåçèšé²ã## ãããªãèªã¿ç©ãšå€éšãªã³ã¯
Mindat çŸå°ããŒãž: Daoping Mine, Gongcheng Co., Guilin, Guangxi, China â å°è³ªãé¢é£é±ç©ãåœåããŒããããã³ Daoping-Yangshuo ã®æ¥ç¶ãå«ããæãæçšãªçµ±åçŸå°èšé²ã
Mindat Daoping Mine ã® Pyromorphite åºçŸããŒãž â æšæ¬ã®çãæ¹ãè²ãçµæåŒãé¢é£é±ç©ã巚倧ãªåç gallery ãå«ããçš®ç¹æã®åºçŸããŒãžã
Mindat è°è«: ãPyromorphite from Tang Ping Mine, Guangxi Province, Chinaã â Rock Currier ã® tunnelsãç£åºãè«è² æ¥è ãããã³åææšæ¬ã®æŽå²ã«é¢ãã詳现ãªçŸå Žãšåžå ŽããŒãã
Mindat è°è«: ãPyromorphite from the Daoping Lead-Zinc Mineã â æããã厩ããããåºè³ªãšå®å®åã¢ãããŒãã«é¢ããå®è·µçãªã³ã¬ã¯ã¿ãŒèšè«ã
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Minfind èšäº: ãPyromorphite â Daoping Lead-Zinc Mine, Gongcheng County, Guangxi Zhuang Autonomous Region, Chinaã â Daoping-Yangshuo ã®çç£ãšãããã€ãã®æšæ¬ãé±å±±è€åã®äžæ¹ãžå²ãåœãŠãé£ããã«ã€ããŠã®ãèŠç¹ãçµã£ãã³ã¬ã¯ã¿ãŒåžå Žã®æŠèŠã
Fabre Minerals äžåœãªãã¡ã¬ã³ã¹æšæ¬: Daoping pyromorphite ã®äŸ â èšèŒãããçæ ãæ¥ä»ããµã€ãºãåã³ã¬ã¯ã·ã§ã³ãæ¹è§£ç³ã®é¢é£ããã€ãšã³ãã®ãããã¥ã¢çŸåŠãç ç©¶ããã®ã«æçšã
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