American Mineralogist
Open AccessREGULAR ARTICLE
173
Controls on metal zonation in porphyry-skarn systems: Evidence from the Tonglushan Cu polymetallic deposit, Eastern China
Xiaolin Wu, Guiqing Xie, Jing Xu, and Wenyuan Liu
190
Anomalously high REE diaspore formed in bauxite overlying paleokarstic surface
Lei Liu, Yong-Bo Peng, Xue-Fei Liu, Qing-Fei Wang, Xue-Fei Sun, Li-Hua Zhao, Shang-Qing Zhang, Wen-Xia Wang, Rong-Rong Liang, and Jun Deng
209
Arsenohauchecornite, ognitite, parkerite, and related minerals from Ona Preta orebody, Caraj‡s, Brazil: Fingerprinting PGE signatures in hydrothermal Ni ores
Yuri Tatiana Campo Rodr’guez, Cristiana Liana Ciobanu, Nigel J. Cook, Ashley Slattery, Benjamin Wade, Sarah E. Gilbert, Maria Emilia Schutesky, and Kathy Ehrig
231
Quartz-petalite intergrowths in the Yichun pegmatite: Formation from late-stage Li-rich melts and implications for Li mineralization in rare-metal granites
Mingqian Wu, Iain M. Samson, Anouk M. Borst, Xi Diao, Charles D. Beard, Xu Zheng, Mei Fan, Zhaoliang Hou, and Kunfeng Qiu
246
Investigating formation and enrichment processes of the super-large North Sanshandao gold deposit (Jiaodong Peninsula, Eastern China): An in-depth mineralogical perspective
Jian Li, Zhi-ming Yang, Ming-chun Song, Lei-lei Dong, Wen-yan Cai, Ming Lei, and Qingyi Cui
266
Seismic signature of the upper continental crust: Implications from the thermoelastic properties of liebermannite and K-hollandite II
Dong Wang, Longyu Duan, Xin Deng, Wenzhong Wang, and Zhongqing Wu
277
Scandio-fluoro-eckermannite, NaNa2(Mg4Sc)(Si8O22)F2, a new Sc-dominant amphibole-supergroup mineral from the Bayan Obo deposit, China
Shuang-Liang Liu, Hong-Rui Fan, Xiang-Ping Gu, Hai-Dong She, Kui-Feng Yang, Xiao-Chun Li, Qi-Wei Wang, Zhan-Feng Yang, Yong-Gang Zhao, Fenggang Wang, and Xuan Liu
289
New minerals auropolybasite [Ag15AuSb2S11] and auropearceite [Ag15AuAs2S11]: Implications for the formation of bonanza ores in epithermal systems
Tomáš Mikuš, Juraj Majzlan, Jozef Vlasáč, Jakub Plášil, Jiří Sejkora, Martin Števko, Václav Petřiček, and Emil Makovicky
303
Incongruent melting of garnet during garnet-spinel transition and its implication for lithospheric exhumation
Dongya Zou, Anping Chen, Hongdan Deng, Xiaoyan Gu, Hongfu Zhang, Huiting Zhang, and Yantao Hao
315
The optics of a possible new interference figure in mineralogy
Isaac G. de Oliveira, Laryssa S. Carneiro, Lee A. Groat, Lucilene dos Dos Santos, Carlos W. de A. Paschoal, and Tereza F. de O. Neri
324
Fe2+/Fe3+ intervalence charge transfer and enhanced d-d absorption in mixed-valence iron minerals at elevated temperatures
Helen V. Evans and George R. Rossman
335
The first meteoritic ammonium mineral: Discovery of boussingaultite in the Orgueil CI1 carbonaceous chondrite
Sergey N. Britvin, Oleg S. Vereshchagin, Natalia S. Vlasenko, Maria G. Krzhizhanovskaya, Marina A. Ivanova, and Irina A. Volkova
DEPOSIT ITEMS
173
Controls on metal zonation in porphyry-skarn systems: Evidence from the Tonglushan Cu polymetallic deposit, Eastern China
Xiaolin Wu, Guiqing Xie, Jing Xu, and Wenyuan Liu
190
Anomalously high REE diaspore formed in bauxite overlying paleokarstic surface
Lei Liu, Yong-Bo Peng, Xue-Fei Liu, Qing-Fei Wang, Xue-Fei Sun, Li-Hua Zhao, Shang-Qing Zhang, Wen-Xia Wang, Rong-Rong Liang, and Jun Deng
209
Arsenohauchecornite, ognitite, parkerite, and related minerals from Ona Preta orebody, Caraj‡s, Brazil: Fingerprinting PGE signatures in hydrothermal Ni ores
Yuri Tatiana Campo Rodr’guez, Cristiana Liana Ciobanu, Nigel J. Cook, Ashley Slattery, Benjamin Wade, Sarah E. Gilbert, Maria Emilia Schutesky, and Kathy Ehrig
231
Quartz-petalite intergrowths in the Yichun pegmatite: Formation from late-stage Li-rich melts and implications for Li mineralization in rare-metal granites
Mingqian Wu, Iain M. Samson, Anouk M. Borst, Xi Diao, Charles D. Beard, Xu Zheng, Mei Fan, Zhaoliang Hou, and Kunfeng Qiu
246
Investigating formation and enrichment processes of the super-large North Sanshandao gold deposit (Jiaodong Peninsula, Eastern China): An in-depth mineralogical perspective
Jian Li, Zhi-ming Yang, Ming-chun Song, Lei-lei Dong, Wen-yan Cai, Ming Lei, and Qingyi Cui
266
Seismic signature of the upper continental crust: Implications from the thermoelastic properties of liebermannite and K-hollandite II
Dong Wang, Longyu Duan, Xin Deng, Wenzhong Wang, and Zhongqing Wu
277
Scandio-fluoro-eckermannite, NaNa2(Mg4Sc)(Si8O22)F2, a new Sc-dominant amphibole-supergroup mineral from the Bayan Obo deposit, China
Shuang-Liang Liu, Hong-Rui Fan, Xiang-Ping Gu, Hai-Dong She, Kui-Feng Yang, Xiao-Chun Li, Qi-Wei Wang, Zhan-Feng Yang, Yong-Gang Zhao, Fenggang Wang, and Xuan Liu
289
New minerals auropolybasite [Ag15AuSb2S11] and auropearceite [Ag15AuAs2S11]: Implications for the formation of bonanza ores in epithermal systems
Tomáš Mikuš, Juraj Majzlan, Jozef Vlasáč, Jakub Plášil, Jiří Sejkora, Martin Števko, Václav Petřiček, and Emil Makovicky
303
Incongruent melting of garnet during garnet-spinel transition and its implication for lithospheric exhumation
Dongya Zou, Anping Chen, Hongdan Deng, Xiaoyan Gu, Hongfu Zhang, Huiting Zhang, and Yantao Hao
324
Fe2+/Fe3+ intervalence charge transfer and enhanced d-d absorption in mixed-valence iron minerals at elevated temperatures
Helen V. Evans and George R. Rossman
335
The first meteoritic ammonium mineral: Discovery of boussingaultite in the Orgueil CI1 carbonaceous chondrite
Sergey N. Britvin, Oleg S. Vereshchagin, Natalia S. Vlasenko, Maria G. Krzhizhanovskaya, Marina A. Ivanova, and Irina A. Volkova
TABLE OF CONTENTS
&
SPECIAL COLLECTIONS
Table of Contents
AmMin submission to acceptance/”first publication” is at a record average of about three to four months. Our acceptance to “final” publication is presently another 13 months on average.
Special Collections
American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.