 | | Journal (article/letter/editorial) | | Institute, University of Wisconsin—Madison, Madison, WI 53706, USA; lee572@wisc.edu * Correspondence:...magnetite and the (0001) plane of rhombohedral hematite or ilmenite. Stacking faults and twin boundaries...scoria from Menan Volcanic Complex Idaho [13]. Luogufengite is a polymorph of maghemite and hematite with aMenan...coercive Idaho field at room temperature In this Pleistocene basaltic scoria from Volcanic Complex [13]....collected luogufengite (1) Menan Volcanic Rexburg, Madison County,for ID,studying USA [15], luogufengite nano-mineral: |  | | Report (issue) | | X-Ray Diffraction Pattern: Menan Volcanic Complex, near Rexburg, Idaho, USA. 2.708 (100), 1.507 (40.7)...7.93 1.22 0.91 100.77 (1) Menan Volcanic Complex, near Rexburg, Idaho, USA; average electron microprobe...02Ti0.03O3. Polymorphism & Series: A polymorph of hematite and maghemite. Occurrence: An oxidation product...Maghemite, hematite, quartz, hydronium jarosite. Distribution From the Menan Volcanic Complex, near Rexburg...Rexburg, Idaho, USA. Name: Honors Chinese Professor Luo Gufeng (b. 1933), who has passionately taught crystallography |  | | Report (issue) | | 8852(7) Z = n.d. X-ray Powder Pattern: Menan Volcanic Complex, Idaho, USA (synchrotron XRD pattern). 3.6284...(2) 49.47 34.74 15.79 . 100.00 (1) Menan Volcanic Complex, Idaho, USA; average of 5 TEM-EDS analyses; corresponds...formation (Idaho) and in paralava, fused sedimentary rock (Wyoming). Association: Hematite, maghemite...quartz (Idaho); esseneite (Wyoming). Distribution: From the Menan Volcanic Complex, near Rexburg, Idaho...Wyoming, USA. Name: Honors John W. Valley (b. 1948) of the University of Wisconsin-Madison. Valley was |  | | Journal (article/letter/editorial) | | Department of Geoscience, University of Wisconsin-Madison, Madison, Wisconsin 53706, U.S.A. 2 Earth and Environmental...Pleistocene basaltic scoria from the Menan Volcanic Complex nearby Rexburg, Idaho. It is an oxidation product...temperature and is associated with maghemite and hematite. Luogufengite is an euhedral or semi-euhedral...important mineral that records paleomagnetism of volcanic rocks because of its large magnetic coercivity...magnetite with ilmenite exsolution lamellae or hematite with magnetite lamellar precipitates have luogufengite-like |  | Lee, Seungyeol, Xu, Huifang, Xu, Hongwu, Jacobs, Ryan, Morgan, Dane (2019) Valleyite: A new magnetic mineral with the sodalite-type structure. American Mineralogist, 104 (9) 1238-1245 doi:10.2138/am-2019-6856 | Journal (article/letter/editorial) | | Department of Geoscience, University of Wisconsin–Madison, Madison, Wisconsin 53706, U.S.A. Orcid 0000-0002-0175-1389...Department of Geoscience, University of Wisconsin–Madison, Madison, Wisconsin 53706, U.S.A. Orcid 0000-0002-7464-0057...Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, U.S.A. Orcid 0000-0003-2229-6730...Pleistocene basaltic scoria from the Menan Volcanic Complex near Rexburg, Idaho, U.S.A. It is an oxidation product...of the scoria formation and is associated with hematite (α-Fe2O3), maghemite (γ-Fe2O3), luogufengite (ε-Fe2O3) |  | | Report (issue) | | Luster: n.d. X-Ray Diffraction Pattern: Rexburg, Madison Co., Idaho, USA. (high-resolution synchrotron XRD...98 1.87 1.23 1.85 7.59 100.05 (1) Rexburg, Madison Co., Idaho, USA; average EDS and FTIR spectroscopic...valleyite, hematite, quartz, calcite. Distribution From the Menan volcanic complex, near Rexburg, Madison Co...Co., Idaho, USA (holotype) and paralava from Gillette, Campbell Co., Wyoming, USA (cotype). Name: Honors...University of Wisconsin, Madison, USA and Hongwu Xu, Los Alamos National Laboratory, USA, for their contributions |  | | Journal (article/letter/editorial) | | Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue number 65631...Crestmore, Sky Blue Hill, Riverside Co., California, USA (34°01′24.6″N, 117°23′04.6″W) Anthony R. Kampf*,...Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, California 90007, USA, catalogue numbers...(100–130 m underground) at the Lovozero Eudialyte Complex, Mt. Alluaiv, Kola Peninsula, Russia Yakov A. Pakhomovsky...Canyon, White Canyon District, San Juan Co., Utah, USA (37°32′57″ N, 110°18′2″W) Travis A. Olds*, Luke Sadergaski |  | | Journal (issue) | | the Cactus Gold Mines Middle Buttes Volcanic Complex Kern County, California Allan R. Blaske allan.blaske@gmail...blaske@gmail.com The Middle Buttes Volcanic Complex is a topographic high consisting ofMiocene (21.5 to...alluvial sediments. The volcanic complex is located in southeastern Kern County, approximately 9 miles...60 miles north of Los Angeles, California. The complex was host to six epithermal, bulk-mineable precious-metal...outcrops have been located in the Soldier Summit area along US-6 between Spanish Fork and Price, UT. Mine |  | | Report (issue) | | IDAHO GEOLOGICAL SURVEY Merrill Hall, Room 332 University of Idaho Moscow, Idaho 83043 (208) 8857991............ David Hawk, representative Director, Idaho Department of Lands Stanley Hamilton ............... Chairman, Department of Geology, Idaho State University Idaho National Engineering Laboratory Clayton...................................... President, Idaho Association of Professional Geologists Deborah I...................................... President, Idaho Mining Association Jack Peterson .............. |  | | Journal (article/letter/editorial) | | A hibonite-spinel-corundum-hematite assemblage in plagioclase-clinopyroxene pyrometamorphic rocks, Hatrurim...nsc.ru Running title: Hibonite-spinel-corundum-hematite assemblage in Hatrurim Basin [Received 2 November...The intergrowths of Fe-rich corundum +Al-rich hematite + spinel + hibonite have been found as an assemblage...Corundum essentially varies in Fe2O3 (4.2-11.8 wt.%). Hematite is also inhomogeneous and contains oriented exsolution...1000-1200oC using evaluations for the corundum-hematite pair with reference to experimental data by Feenstra |
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