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åç: Rob Lavinsky, iRocks.com / Wikimedia Commons## Featured Specimens
Search for specimens: View all galena specimens from Madan Ore Field, Bulgaria
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çŸä»£ã®çç£å²ã¯ substantial ã§ããå ¬è¡šãããå°è³ªåŠçç ç©¶ã¯ã1940幎以æ¥ããã³é±åºããç£åºãããé±ç³ã1åãã³ãè¶ ããå¹³ååäœã¯PbçŽ2.54wt%ãZnçŽ2.1wt%ãå¯ç£ç©ãšããŠéãšé ãå«ããšèšé²ããŠããŸããå€ãæŠèª¬ã§ã¯å°åºå ã®å€æ°ã®é±å±±ã»é±åºãæããããŸãããè¿ decades ã«ã¯çšŒåããŠãããã®ãéãããŠããŸãããã³ã¬ã¯ã¿ãŒã«èŠªããŸããæšæ¬ç£åºåã«ã¯ Krushev DolãPetrovitsaãGyudyurskaãBorievaãSeptemvri ãŸã㯠Deveti Septemvriã Erma Reka ãªã©ããããŸããæ¡éã¢ã¯ã»ã¹ã¯å¶éãããã¹ãã§ããããã³ã¯çšŒåäžã§æŽå²çã«ãå·¥æ¥çãªæ¡æå°åã§ãããå¶ç¶ã®é倿¡éå°ã§ã¯ãããŸãããå°äžåéãçŸåœ¹ã®æš©çãééãããåéãæ§ãã¹ããŒããæµžæ°Žããéè·¯ãæå±€åž¯ã®åŽ©èœã¯ãç¡èš±å¯ã®ç«ã¡å ¥ããå±éºãã€äžé©åã«ããŸããå€ãã®æ¡éæšæ¬ã¯ãæ¡ææ¥è ãå°å ãã£ãŒã©ãŒãæ§ã³ã¬ã¯ã·ã§ã³ãå°éæšæ¬åãéããŠåžå Žã«åºåããå ¬éã®äžè¬æ¡éãä»ããŠæµéããããšã¯å°ãªãã§ãã鱿¥éºç£ã«é¢å¿ã®ãã蚪åè ã¯ãå ¬èªã®åç©é€šã¢ã¯ã»ã¹ãå©çšãã¹ãã§ããç¹ã«ããã³ã®ã¹ãã«ã«å°äžé±å±±åç©é€šãšã©ãããçµæ¶ããŒã«ã蚪ããŠãã ããã
notable finds include skeletal and cavernous galena from Septemvri and related workings, sharp cuboctahedral galena on quartz from Gyudyurska, spinel-law twinned platy galena from Krushev Dol, and combination specimens with sphalerite, chalcopyrite, quartz, pyrite, and calcite from several mines. Madan is also celebrated for gemmy low-iron sphalerite, especially cleiophane, and those sphalerite finds often occur with small bright galena crystals that add contrast and locality character.## ããã³é±èïŒãã«ã¬ãªã¢ïŒç£æ¹éé±ã®ç¹åŸŽ
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åç: Rob Lavinsky, iRocks.com / Wikimedia Commons## Collector Notes
Mad an ã¬ã¬ãã®äž»ãªçåœæ§ã®åé¡ã¯ãç¹ã« Septemvri ã« attributed ææã«å¯ŸããŠãç é£ã°ãã«ããéªšæ Œã®ããã«èŠããã¬ã¬ãã®äººå·¥ççç£ãŸãã¯åŒ·åãå ±åãããŠããããšã§ããèªç¶ã®éªšæ Œç¶ã¬ã¬ãã¯å°åºå ã§çããªãçºçããŸããããã£ãŒã©ãŒãã³ã¬ã¯ã¿ãŒãç ç©¶è ã«ãã£ãŠãèšè¿°ãããŠããŸãããã¹ã¿ã€ã«ãæãŸãããããæäœãããåäœã«ã¯ç²Ÿæ»ãå¿ èŠã§ãã
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ç¶æ ãéèŠãªåé¡ã§ããã¬ã¬ãã¯æããããéããè§£è£ãå®ç§ã§ãããããè§ã¯æ¬ ãããããçµæ¶é¢ã«ã¯åãæ±ãã«ããæçãæŠãããŸãã¯è§£è£ã®éå ãèŠãããããšããããŸããMadan æšæ¬ã¯ãã°ãã°ã¬ã¬ããç¹çްãªç³è±éãã¯ã¬ã€ãªãã¡ã³ãé»é é±ãæ¹è§£ç³ãšçµã¿åãããŠããããããã®çµã¿åããã¯ã¬ã¬ãèªäœãããå£ããããå ŽåããããŸããå€ãæšæ¬ã§ã¯ãä¿®çããããããªã¯ã¹ã忥çãããçµæ¶ãéèŠãªèŠèŠèŠçŽ ãåæãããããªããªã ããŒã¹ããã§ãã¯ããŠãã ããã
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Madan ã¬ã¬ãã¯åžå Žã«åºåã£ãŠããŸãããå質ã¯åºãå€åããŸããéäºééé±ãç³è±ãé»éé±ãæ¹è§£ç³ããŸãã¯é»é é±ãšçµã¿åãããäžè¬çãªãã£ããããé 眮ã宿çã«çŸããŸãã粟巧ãªéªšæ Œçµæ¶ãæå·ã®ãªããã¬ãŒãç¶ã¹ããã«åæ¶ã倧ããéãç«æ¹å «é¢äœãã¬ãŒãããŸãã¯é±å±±ã®å±æ§ãåŒ·ãæšæ¬ã¯ã¯ããã«åžå°ã§ããæé«ã®æšæ¬ã¯åœ¢ç¶ãšç¶æ ãéèŠããŠè³Œå ¥ãããã¹ãã§ãããçŽç²ãªå€§ããããããå®ç§ã«æ§æãããå°ããªéªšæ Œã¬ã¬ããç³è±äžã®æããã¬ã¬ãã®ãããã¥ã¢ã®æ¹ããå·ã€ããçµæ¶ã䌎ã倧ããªãããªã¢ã«ãã¬ãŒããããé åçã§ããå ŽåããããŸãã## Stories & Field Notes
ã¢ãã³ãªçŸå Žã®ç©èªã®äžã§ãMadÄn ããã®æé«å³°ã®äžã€ã¯çµæ¶ã§ã¯ãªãã倩åãšåŽåããå§ãŸãã2012幎3æãSpirifer Minerals ã® Tomasz Praszkier ã¯åäººã§æºåå°éå®¶ã® Jurek ãšå ±ã«ããŒã©ã³ããã Madan ã«åãã£ãããããå±±èã¯ãã®åäžçŽã§æãéªæ·±ãå¯ãå¬ã®äžã€ãèããå°äžã«ã¯ãŸã éªãæ®ã£ãŠããã圌ããå°çããæãKrushev Dol ã Borieva ã誰ãåããŠããªãã£ãïŒè³éæªæãã®ã¹ãã©ã€ãäžã ã£ããPraszkier ã¯ãé±å±±ææè ãåŽåè ã«3ã4ãæåã®è³éãæ¯æã£ãŠããããè³éãæ¯æãããŠãå šé¡ãæ¯æãããŠããªãã£ããšæžããŠããã蚪åããæ¡éå®¶ãã¡ã¯ã protesters ãšãšãã«ãã°ããåºå Žã§æ»åšããã
圌ããåŒãå¯ããé±ç©ãã¥ãŒã¹ã¯ãKrushev Dol ã®çŽ15ã¡ãŒãã«åæ¹ã®é©ãã¹ããã±ããã§ãã¯ã¬ã€ãªãã¡ã³ïŒcleiophaneïŒãšé¢é£ããç³è±ããããã«å æ²¢ã®ããç«æ¹å «é¢äœã®ã¬ã¬ãããããŠæã«ã¯é»é é±ã䌎ãç§éžãªçµæ¶ãçç£ãããŠããããšã ã£ãããã®çºèŠã¯éèŠã ã£ãããªããªãè¯å¥œãªã¯ã¬ã€ãªãã¡ã³ã¯ Septemvri ããããç¥ãããŠããããKrushev Dol ãããã»ã©ã®ã¬ãã«ã§ä»¥åã«ã¯ç£åºããŠããªãã£ãããã§ããããã±ããã¯æ°çŸç¹ã®è¯åãçã¿åºããå€ãã¯åãåã§10ã40kgã®å€§ããªå¡ã ã£ããæž æµã§éã ã¹ãã¡ã¬ã©ã€ãã®çµæ¶ã¯æå€§ã§2cmã«éãããæé«ã®äœåã¯ãã³ã¬ã¯ã¿ãŒã奜ã察æ¯ã瀺ããŠããïŒçœãç³è±ã®äžã«é»å³ããã£ããè€è²ããã£ããé»ç·ããã£ãããŸãã¯ç·ã®ã¯ã¬ã€ãªãã¡ã³ãä¹ããããããªéå±å æ²¢ã®ããã¬ã¬ãçµæ¶ãæ§é ãšèŒããå ããŠããã
Praszkier ãå°çããæã«ã¯ã倧ã㪠Krushev Dol ãã±ããã¯çµäºããŠãããã¹ãã©ã€ãã«ãã£ãŠé±å±±èšªåã¯äžå¯èœã ã£ããããã§ã圌ãšåœŒã®ãã«ã¬ãªã¢äººé£çµ¡å ã¯ãçºèŠã®äžéšææã®çŽ1000kgçšåºŠãååŸãããšèŠç©ãã£ãŠããããã®å€ãã¯ãŸã çã£åœã«æŽåœ¢ã»æž æãèŠããç¶æ ã ã£ããåææãKrushev Dol ã¯ãŸããã¯ã©ãŒãã䌎ãéãå æ²¢ã®ããã¹ããã«æ³ïŒspinell-lawïŒäºçµæ¶ã®ã¬ã¬ããçç£ããŠãããåç©é€šãµã€ãºã®ãOutstandingããšè©ãããäœåãå«ãã§ããã
åãæ ã«ã¯ãå šãç°ãªã Madan ã®äœéšãå«ãŸããŠãããé·ãééãããŠãã第9æ9æ¥é±å±±ãžã®éäžã§ãããé±å±±ã¯åšå²ã®å±±ã ã«ç¹åšããå€ãã®å ¥å£ãæã¡ãå°å ã®æãæã¯æ§æ¢ãåã« pockets ãé²åºãããŸãŸå ¥ãããšããã£ããPraszkierãJurekããããŠåœŒãã®ä»²éã¯å°åã®äžã€ãéã£ãŠå ¥ããé·ããã³ãã«ãæ©ããäžå±€ãžéããŠãã£ããäœæ¥ã¯å¥å šãªãã®ãããã°ãæå±€åž¯ã厩ããä»ã®éè·¯ã¯åå以äžã氎浞ãã«ãªã£ãŠããã圌ã¯çŽ äººã«ã¯æ±ºããŠè¯ãèãã§ã¯ãªããšæç¢ºã«èŠåããŠãããæ°ããã¡ãŒãã«å°äžãé²ãã åŸã圌ãã¯ãã±ããã®å€ãã¹ããŒãã«å°çãããæåã®é±åãšãªã¢ã§ã¯ãåè§åœ¢ã®ã¯ã©ãŒããšéªšæ Œæ¹éé±ïŒèªç¶ã®éªšæ Œç¶ã®æ¹éé±ãåžå Žã§èŠããã圫å»çŽ æã§ã¯ãªãïŒãå«ã空æŽãèŠã€ãããããã€ãã®ç©ºæŽã¯çŽ0.5ã¡ãŒãã«ã«éããŠãããè¿ãã«ã¯ãç·è²ã®ã¯ã©ãŒãã䌎ãã¯ã¬ã€ãªãã¡ã³ãŸãŒã³ããããé±å±±ã«å žåçãªã¹ã¿ã€ã«ã§ãããå°ããªãã±ããã«ã¯å°ããªå®ç³çµæ¶ãå«ãŸããŠããããã®åŸã圌ãã¯è¿œå ã®ã¹ããŒããç§»åããäžéšã®éå±€ãžãšç»ããæ¹éé±ãšæ¹è§£ç³ã®æšæ¬ã§ç¥ãããåºå€§ãªã¹ããŒãå°åž¯ãžãšå°éãããæ¥æ²¡ã¯é·ãè€éãªå°äžãžã®æ©è¡ãšãšãã«çµãããç²åŽãšãšãã«ãç±ãã·ã£ã¯ãŒã®ãããããªèŽ æ²¢ãå³ãã£ãã
å¥ã®ããã³ã®ãšããœãŒãã¯ã®ã¥ãã£ã¥ã«ã¹ã«ããæ¥ãŠããã2012幎ã®èšªåäžããã©ã¹ããšã«ã¯åé±å±±ããéèŠãª2010â2011幎ã®ãã±ããã®åçãæ®åœ±ããããã®ãã±ããã§ã¯ãã¯ã©ãŒãäžã®ã·ã£ãŒãã§éåžžã«å æ²¢ã®ããç«æ¹å «é¢äœåã®æ¹éé±ãç£åºããŠãããåç©é€šçŽã®æšæ¬ãå«ãã§ããããã®èŠæš¡ã¯å¿ããããªããã£ããŒã«ã§ã8人ãåæã«æ¡éã§ããã»ã©å€§ããã£ããåçã«ã¯ããã±ããã®å£é¢ã«ãã®å Žã®æ¹éé±ãçããŠããæ§åãæ¡æãããæ°ããæšæ¬ãæŽçªã§äœæ¥ããã³ã¬ã¯ã¿ãŒãåã£ãŠããã
ããã³ã®æ¡é±ç©èªã¯ãåäžã®ãã±ãããããå€ãåºç¯ã§ãããçŸåšå°äžåç©é€šãšããŠä¿åãããŠããã¹ãã«ã«é±å±±ã¯ããã€ãŠå°åºã®ç£æ¥ç掻ã®äžéšã ã£ããéãäºéãéãéãé ãã«ãããŠã ãç£åºããGORUBSOã«ãã£ãŠéå¶ãããŠããã1972幎é ã«éå±±ãã2023幎ã«åç©é€šãšããŠé通ãããçŸåšã®èšªåè ã¯ã1961å¹Žãšæ¥ä»ã®ã€ããå ¥å£ã®äžã§çŽ140ã¡ãŒãã«å°äžãæ©ããã¬ãŒã«ãè·è»ãå®å šè£ åã空æ°å§ç³»ãåçŽäºæžãææ°ç çªãé±å±±ã®äœæ¥å Žãéãæãããå°ãé¢ããå Žæã«ã¯1984幎ã«é通ããã¯ãªã¹ã¿ã«ããŒã«ããããå°åã®ã³ã¬ã¯ã¿ãŒã«åããéºç£ãä¿åããŠããïŒããã³ã Bulgaria 以å€ã«ãæåã«ããé±å±±ã®çµæ¶ãå±ç€ºãããŠããã## é±ç©åŠçèšé²ãšåè¡ç©
Ivan K. Bonev, âCrystal habit of Ag-, Sb- and Bi-bearing galena from the Pb-Zn ore deposits in the Rhodope Mountains,â Geochemistry, Mineralogy and Petrology, 45, 1â18, 2007 â Madanããã³Rhodopeã®ééé±ã®åœ¢æ ãçè·¡å çŽ ãç«æ¹æ¶ã»å «é¢äœã»ç«æ¹å «é¢äœã»éªšæ Œã»æ¿ç¶ã»é±çç¶ã»åæ¶ Habitã®é¢ä¿ã«é¢ããéèŠè«æã
Ivan K. Bonev, âNon-equilibrium highly anisometric crystals and whiskers of galena,â Mineralogical Magazine, 57, 231â240, 1993 â Madanå°åºã®Gradishteç±æ°Žæé±é±åºããèŠãããç°åžžãªéé±ã®é«ç¶çµæ¶ãšé«åºŠç°æ¹æ§çµæ¶ã®èšè¿°ã
Ivan K. Bonev and Clive M. Rice, âSingle crystal galena pillars as highly anisometric dissolution forms,â Mineralogical Magazine, 61, 377â386, 1997 â éªšæ Œçµæ¶ã«é¢é£ããç°æ¹æ§æº¶è§£åœ¢æ ãšããŠè§£éãããåç圢ããã³åé圢ã®galenaãæ±ãã«ã€ããŠã
Rossitsa D. Vassileva, Radostina Atanassova, and Ivan K. Bonev, âA review of the morphological varieties of ore bodies in the Madan Pb-Zn deposits, Central Rhodopes, Bulgaria,â Geochemistry, Mineralogy and Petrology, 47, 31â49, 2009 â Madanå°åã®èãé±åºçŸ€ãçœ®ææ§ã¹ã«ãŒã³é±åºã®åœ¢æ åŠç varietal ã®éèŠãªç·èª¬ã
Peter Marchev and Robert Moritz, âIsotopic composition of Sr and Pb in the Central Rhodopean ore fields: Inferences for the genesis of the base-metal deposits,â Geologica Balcanica, 35, 49â61, 2006 â Madanããã³Lakiã®éã»éç®å±€ããã®galenaããã³é»éé±ã®Pbåäœäœåæãšæ¹è§£ç³Sråäœäœåæã®æ€èšã
Hantsche et al., âMetasomatism and cyclic skarn growth along lithological contacts: Physical and geochemical evidence from a distal Pb-Zn skarn,â Lithos, 2021 â Madané±é±å°åž¯ã®Petrovitsaé±åºã«ãããç³ç°å²©æ¥è§Šéšã§ã®å²©çžå€åæº¶è§£ãšæµäœâ岩ç³çžäºäœçšã®è©³çްç ç©¶ã
Yves Moëlo, âPseudo-cubic trigonal pyrite from the Madan Pb-Zn ore field,â European Journal of Mineralogy, 35, 333â346, 2023 â é¯äœçã«ã¯é»éé±ã«çŠç¹ãåœãŠã€ã€ãã Madanå°åã®çŸä»£çãªå°è³ªç·è«ãæäŸããKrushev DolãPetrovitsaãGyudyurskaãéèŠãªæšæ¬ç£åºé±å±±ãšããŠç¹å®ã- æ¡æåç©é€š â ããã³ããããå±±èã¯ãªã¹ã¿ã«ããŒã« â å°åã®é±ç©ã³ã¬ã¯ã·ã§ã³581ç¹ãæèµãã Rhodope Crystal Hall ãšãåžMunicipal mining museum ãèšé²ããŸãã
ããã«ã«ã³èªç¶å²åç©é€šåäŒéŠåœèªç¶å²åç©é€šã®åºéã«ããããã«ãã¢é±ç©ã³ã¬ã¯ã·ã§ã³ãšæšæ¬ã, Historia naturalis bulgarica, 1996 â National Museum of Natural History ã«ããã Madan éå±é±å±±ã®å°åã³ã¬ã¯ã·ã§ã³ã瀺ããã¬ã¬ãã®ããªã¥ãŒã¹ãé¡èã«è¡šããŠããã## Further Reading & External Links
Mindat: Madan ore field, Smolyan Province, Bulgaria â é±ç©ãªã¹ããé±åºã®æŠèŠãå°å³ãåèæç®ãã³ã¬ã¯ã¿ãŒåãããŒããå«ãæ žãšãªãããŒã«ãªãã£ããŒãžã
Mindat: Galena from Madan ore field â ã¬ã¬ãå°çšã®åºçŸããŒãžãé¢é£é±ç©ãåçããŒã¿ãåèæç®ã
MINBULFOS: Madan Ore Field geological map and information â å°åºã®ç°¡æœãªå°è³ªèŠçŽãé±åž¯ã®ã¿ã€ããäž»èŠæå±€åž¯ãäž»èŠé±ç©éåã
Madan Travel: Information about the city of Madan â å€ä»£ããçŸä»£ã®GORUBSOéçºãšãã¥ãŒãžã¢ã 芳å ãŸã§ã®çŸå°ã®é±æ¥å²æŠèŠã
Madan Travel: Spoluka Mining Museum â ä¿åãããSpolukaå°äžé±å±±ãšãã®æŽå²ã®å ¬åŒèгå ããŒãžã
European Route of Industrial Heritage: Spoluka Mining Museum â ç£æ¥éºç£ã®æŠèŠãGORUBSOãå°äž140mã®ã«ãŒããã¯ãªã¹ã¿ã«ããŒã«ã®è©³çްã
Spirifer Minerals: Trip to Madan, Bulgaria â çŸå°ã¬ããŒããã¯ãªãœããªã«ã»ãã¥ã«ãSeptemvriãGyudyurskaãéªšæ Œç¶ã¬ã¬ããã¯ã¬ã€ãªãã¡ã³ãå°äžæ¡éæ¡ä»¶ã«é¢ããã³ã¬ã¯ã¿ãŒåãããŒãã
Turnstone: Galena from Madan, Bulgaria â Madanã®ã¬ã¬ãã®ç¿æ§ã溶ãã衚é¢ãŸãã¯æŽçªç¶è¡šé¢ãé¢é£æç®ã«é¢ããã³ã¬ã¯ã¿ãŒæåã®è°è«ã
Wikimedia Commons: Madan ore Field category â Madanã¬ã¬ããšé¢é£é±ç©ã®å®ç»åã®ã£ã©ãªãŒã
Wikimedia Commons: Krushev Dol Deposit category â 倿°ã®Krushev Dol ã¬ã¬ããç³è±ãæ¹è§£ç³ãç¡«åç©æšæ¬ã®ãªãŒãã³ç»åã®ã£ã©ãªãŒã