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The 1st LP-SAM in FY 2018

Mika Kitamura (M1)

 

Nuralam Indriyanto Jananda(M1)

 

Kentaro Kondo (M2)

 

Audience listening to presentations

 

The 1st LP-SAM* was held on May 1, 2018 (Wednesday). Three LP students made presentations. The first two presenters are newly enrolled students** who introduced themselves, their previous works and future research in the fields of economic geology and volcanology, respectively. The final presenter gave a progress report on his current research in the field of volcanology.



Presenter 1: Mika Kitamura (M1)
I am from Iwate Prefecture, Japan and in March 2018, obtained my BSc degree in geology from the Department of Earth Resource Science of Akita University. My present research is platinum-group elements (PGEs) mineralization in the Bushveld Complex in South Africa. This project is a continuation of my undergraduate work on the Waterberg PGE mineralization in the northern limb of the Bushveld Complex. The Waterberg deposit was discovered by Platinum Group Metals and JOGMEC (Japan Oil, Gas and Metals National Corporation) in 2011. Little is known about the mineralogy, mineralization mechanisms, and processes of the deposit. The purpose of my work is to clarify PGEs mineralization, focusing on petrology, mineralogy and geochemistry. I completed fieldwork in South Africa from April 28 to May 6, 2018. I made core observation and sampling at two platinum mining companies and collected 55 rock samples, which included norite, anorthosite, pyroxenite, and troctolite. I will prepare thin sections for petrographic observation and electron microprobe analysis, and powder samples for sulfur and strontium isotopic study in the near future.


Presenter 2: Nuralam Indriyanto Jananda(M1)


Presenter 3: Kentaro Kondo (M2)
I have two research themes, which are on the Atsumi dolerite sills and Oman ophiolite, respectively. The origins of the Atsumi dolerite sills and Oman ophiolite are related to magmatic process. I am interested in the cooling process of magma to quantify the time scale of magmatic processes. Based on my background in using plagioclase aspect ratio to understand the cooling rate of the Astumi sills, I participated in the Oman Drilling Project onboard the research ship “Chikyu”, from 14th July to 16th August 2017. The Oman Drilling Project is a part of ICDP (International Continental Drilling Project). In this project, all the geoscientists are divided into several groups. I was a member of the igneous and alteration groups but I also did some work for the physical property group. I observed and described gabbroic cores based on igneous petrography (e.g., modal abundance, texture, crystal size and shape for primary minerals) and alteration petrography (e.g., texture, alteration minerals in veins and alteration intensity) by using loupe and microscope instruments. I was able to get some samples of the fine-grained and medium-grained part from the Oman gabbroic samples from the sampling party. Upon returning to Akita University, I will clarify the stratigraphic variation in modal abundances and mineral chemistry for each part as well as the difference in cooling rates between the fine-grained and medium-grained layered gabbro.


*LP-SAM: Leading Program Student Activity Meeting
LP-SAM provides a platform for students of different research backgrounds and professors to interact. It is aimed at developing and sharpening students’ organization and communication skills in a global environment. At such meetings, students share the activities that they are/were engaged in during the course of the academic year. These activities include reports on research progress, field survey, conferences and field trips etc.

Assistant Professors Dr. Altansukh Batnasan and Dr. Kofi Adomako-Ansah manage the LP-SAM course.

**Three LP students were newly enrolled in this April