American Mineralogist
Open AccessLETTER
1834
High-pressure phase transition in clinochlore: IIa polytype stabilization
Benedetta Chrappan Soldavini, Davide Comboni, Michael Hanfland, and Marco Merlini
CRITICAL MINERALS FOR A SUSTAINABLE FUTURE
1657
Trace element fractionation in magnetite as a function of Fe depletion from ore fluids at the Baijian Fe-(Co) skarn deposit, eastern China: Implications for Co mineralization in Fe skarns
Guang Wen, Jian-Wei Li, Albert H. Hofstra, Daniel E. Harlov, Xin-Fu Zhao, Heather A. Lowers, and Alan E. Koenig
SPECIAL COLLECTION: ISOTOPES, MINERALS, AND PETROLOGY: HONORING JOHN VALLEY
1670
Evidence for oceans pre-4300 Ma confirmed by preserved igneous compositions in Hadean zircon
Emilia M. Cameron, Tyler B. Blum, Aaron J. Cavosie, Kouki Kitajima, Lutz Nasdala, Ian J. Orland, Chloe E. Bonamici, and John W. Valley
REGULAR ARTICLE
1682
Experimental vs. natural fulgurite: A comparison and implications for the formation process
A. Zeynep Çalışkanoğlu, Corrado Cimarelli, Donald B. Dingwell, and Alessandra S.B. Camara
1691
Illitization of smectite influenced by chemical weathering and its potential control of anatase formation in altered volcanic ashes
Chen Liu, Qian Fang, Hanlie Hong, Qian Song, Kaipeng Ji, Nina Gong, Xibing Shen, and Thomas J. Algeo
1705
A modified genetic model for multiple pulsed mineralized processes at the giant Qulong porphyry Cu-Mo mineralization system
Youye Zheng, Xin Chen, Sangjiancuo Luo, Qiong Ci, Le Zhang, Jiangang Wei, Shunbao Gao, and Hao Lin
1717
Lead and noble gas isotopic constraints on the origin of Te-bearing adularia-sericite epithermal Au-Ag deposits in a calc-alkaline magmatic arc, NE China
Shen Gao, Albert H. Hofstra, Kezhang Qin, Xinyu Zou, Michael J. Pribil, Andrew G. Hunt, Andrew H. Manning, Heather A. Lowers, and Hong Xu
1738
Wenlanzhangite—(Y) from the Yushui deposit, South China: A potential proxy for tracing the redox state of ore formation
Peng Liu, Guowu Li, Ningyue Sun, Wei Yao, Hong Yu, Yongfei Tian, Wenqiang Yang, Fengshang Zhao, and Nigel J. Cook
1748
High-resolution SIMS U-Th-Pb geochronology of smallsize (<5 _m) monazite: Constraints on the timing of Qiuling sediment-hosted gold deposit, South Qinling Orogen, central China
Lei Chen, Albert H. Hofstra, Xian-Hua Li, Qiu-Li Li, Yu Liu, Xiao-Xiao Ling, Xiao-Yan Liu, and Wei Jian
1760
An evolutionary system of mineralogy, Part VIII: The evolution of metamorphic minerals
Shaunna M. Morrison, Anirudh Prabhu, and Robert M. Hazen
1785
Gamma-enhancement of reflected light images as a routine method for assessment of compositional heterogeneity in common low-reflectance Fe-bearing minerals
Qiaoqiao Zhu, Guiqing Xie, Nigel J. Cook, Cristiana L. Ciobanu, and Hui Wang
1798
Polysomatic intergrowths between amphiboles and nonclassical pyriboles in magnetite: Smallest-scale features recording a protracted geological history
Yuri Tatiana Campo Rodriguez, Cristiana L. Ciobanu, Ashley Slattery, Nigel J. Cook, Maria Emilia Schutesky, Kathy Ehrig, Samuel A. King, and Jie Yao
1819
Mineralogical and geochemical facets of the massive deposition of stibnite-metastibnite at a seafloor hydrothermal field (Wakamiko Crater, Kagoshima Bay, Ryukyu Volcanic Arc)
Vesselin Dekov, Yukako Furuma, Bleuenn Guéguen, Lukas Klose, Kazutaka Yasukawa, Motoaki Morita, Dan Asael, Toshiro Yamanaka, Luca Bindi, Andrea Koschinsky, Bernhard Pracejus, and Yasuhiro Kato
MEMORIAL
1839
Memorial of Larry Wayne Finger (1940—2024)
Robert M. Hazen
DEPOSIT ITEMS
1657
Trace element fractionation in magnetite as a function of Fe depletion from ore fluids at the Baijian Fe-(Co) skarn deposit, eastern China: Implications for Co mineralization in Fe skarns
Guang Wen, Jian-Wei Li, Albert H. Hofstra, Daniel E. Harlov, Xin-Fu Zhao, Heather A. Lowers, and Alan E. Koenig
1670
Evidence for oceans pre-4300 Ma confirmed by preserved igneous compositions in Hadean zircon
Emilia M. Cameron, Tyler B. Blum, Aaron J. Cavosie, Kouki Kitajima, Lutz Nasdala, Ian J. Orland, Chloe E. Bonamici, and John W. Valley
1705
A modified genetic model for multiple pulsed mineralized processes at the giant Qulong porphyry Cu-Mo mineralization system
Youye Zheng, Xin Chen, Sangjiancuo Luo, Qiong Ci, Le Zhang, Jiangang Wei, Shunbao Gao, and Hao Lin
1717
Lead and noble gas isotopic constraints on the origin of Te-bearing adularia-sericite epithermal Au-Ag deposits in a calc-alkaline magmatic arc, NE China
Shen Gao, Albert H. Hofstra, Kezhang Qin, Xinyu Zou, Michael J. Pribil, Andrew G. Hunt, Andrew H. Manning, Heather A. Lowers, and Hong Xu
1738
Wenlanzhangite—(Y) from the Yushui deposit, South China: A potential proxy for tracing the redox state of ore formation
Peng Liu, Guowu Li, Ningyue Sun, Wei Yao, Hong Yu, Yongfei Tian, Wenqiang Yang, Fengshang Zhao, and Nigel J. Cook
1748
High-resolution SIMS U-Th-Pb geochronology of smallsize (<5 _m) monazite: Constraints on the timing of Qiuling sediment-hosted gold deposit, South Qinling Orogen, central China
Lei Chen, Albert H. Hofstra, Xian-Hua Li, Qiu-Li Li, Yu Liu, Xiao-Xiao Ling, Xiao-Yan Liu, and Wei Jian
1760
An evolutionary system of mineralogy, Part VIII: The evolution of metamorphic minerals
Shaunna M. Morrison, Anirudh Prabhu, and Robert M. Hazen
1785
Gamma-enhancement of reflected light images as a routine method for assessment of compositional heterogeneity in common low-reflectance Fe-bearing minerals
Qiaoqiao Zhu, Guiqing Xie, Nigel J. Cook, Cristiana L. Ciobanu, and Hui Wang
1798
Polysomatic intergrowths between amphiboles and nonclassical pyriboles in magnetite: Smallest-scale features recording a protracted geological history
Yuri Tatiana Campo Rodriguez, Cristiana L. Ciobanu, Ashley Slattery, Nigel J. Cook, Maria Emilia Schutesky, Kathy Ehrig, Samuel A. King, and Jie Yao
1819
Mineralogical and geochemical facets of the massive deposition of stibnite-metastibnite at a seafloor hydrothermal field (Wakamiko Crater, Kagoshima Bay, Ryukyu Volcanic Arc)
Vesselin Dekov, Yukako Furuma, Bleuenn Guéguen, Lukas Klose, Kazutaka Yasukawa, Motoaki Morita, Dan Asael, Toshiro Yamanaka, Luca Bindi, Andrea Koschinsky, Bernhard Pracejus, and Yasuhiro Kato
1834
High-pressure phase transition in clinochlore: IIa polytype stabilization
Benedetta Chrappan Soldavini, Davide Comboni, Michael Hanfland, and Marco Merlini
TABLE OF CONTENTS
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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.