Oral presentation

R1: Characterization and description of minerals (Joint Session with The Gemmological Society of Japan)

Fri. Sep 17, 2021 2:00 PM - 4:45 PM Zoom Session 2

Chairperson:Masanori Kurosawa, Koichi Momma, Yasuyuki Banno

[Chairperson]
Masanori Kurosawa: R1-01 - R1-04
Koichi Momma: R1-05 - R1-07
Yasuyuki Banno: R1-08 - R1-11

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2:00 PM - 2:15 PM

[R1-01] Characteristics and problems of absorption correction in quantitative chemical analysis by ATEM

*Kiyoshi Fujino¹, Naotaka Tomioka², Hiroaki Ohfuji³ (1. Non, 2. JAMSTEC, 3. Tohoku Univ.)

2:15 PM - 2:30 PM

[R1-02] Compositional dependence of EFG tensor of Fe²⁺ in M1site of Ca-rich pyroxene

Daiki Fukuyama¹, *Keiji Shinoda¹, Yasuhiro Kobayashi² (1. Osaka City Univ. Sci., 2. KURNS)

2:30 PM - 2:45 PM

[R1-03] Preliminary report on ICP-MS quantitative analysis of U, Th, and Pb in mantle-derived olivine and serpentine

*Takenori Kato¹, Yukiko Kozaka³, Yoshihiro Asahara², Yui Kouketsu², Katsuyoshi Michibayashi² (1. ISEE, Nagoya Univ., 2. Nagoya Univ., 3. ISEE, Nagoya Univ, Kochi Univ.)

2:45 PM - 3:00 PM

[R1-04] Differences of trace element in Japanese Akoya Cultured Pearl

*Kentaro Emori¹, Hiroshi Kitawaki¹, Masahiro Sato², Junko Yazaki² (1. Central Gem Laboratory, 2. Pearl Science Laboratory)

3:00 PM - 3:15 PM

[R1-05] Sulphur atom positions of katoite from Tadano, Fukushima Prefecture, Japan

*Yasuyuki Banno¹, Koichi Momma², Ritsuro Miyawaki², Michiaki Bunno³ (1. AIST, 2. NMNS, 3. Univ. of Tokyo)

3:15 PM - 3:30 PM

[R1-06] Occurrence and genesis of Ca-rich nepheline and associated minerals in the Kajishiyama basanite, Tsuyama, Okayama Prefecture, SW Japan

[Presentation award entry]

*Keiya Yoneoka¹, Maki Hamada¹, Syoji Arai¹ (1. Kanazawa Uni. Nat.)

3:30 PM - 3:45 PM

[R1-07] Local structure of Ni and Ni minerals in listvenite in the Nishisonogi unit Nagasaki metamorphic rocks

*Kohei Unoki¹, Tadao Nishiyama¹, Ginga Kitahara¹, Akira Yoshiasa¹, Makoto Tokuda², Kunio Yubuta³, Kazumasa Sugiyama² (1. Kumamoto Uni. Sci., 2. Tohoku Uni., 3. Kyushu Uni.)

休憩 (3:45 PM - 4:00 PM)

4:00 PM - 4:15 PM

[R1-08] Cylindrical amesite from Yakiyama, Iizuka, Fukuoka Prefecture, Japan

Yuki Isshiki², Yuya Takeda², *Seiichiro Uehara¹, Satomi Enjyu³ (1. Kyushu Univ. Museum, 2. Kyushu Univ. Fac. Sci., 3. Ehime Univ.)

4:15 PM - 4:30 PM

[R1-09] Follow-up report on Chibaite from north Fossa Magna area, central Japan

*Koichi Momma¹, Hiroshi Miyajima², Norimasa Shimobayashi³, Takashi Ishibashi⁴, Nobuyuki Takayama⁵, Toshiro Nagase⁶, Ritsuro Miyawaki¹, Satoshi Matsubara¹, Akira Ijiri⁷, Yoshihiro Furukawa⁸ (1. NMNS, 2. Itoigawa City Council Member, 3. Kyoto Univ., 4. Masutomi Mus. Geo. Sci., 5. Friends of Fossa Magna Museum, 6. Tohoku Univ., Mus., 7. Kobe Univ., 8. Tohoku Univ.)

4:30 PM - 4:45 PM

[R1-10] Mn-dominant variety of tetrahedrite from Teine mine, Hokkaido

*Koichi Momma¹, Masaaki Shimizu², Yoko Kusaba¹, Yoshiya Ohki³ (1. NMNS, 2. Hokuriku Polytechnic College, 3. Nippon Chigaku Kenkyu-kai)

Session information