Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 20/12/2025Mylonite from Oshika, Nagano, Japan. FOV=ca.9 mm #thinsection #petrology #petrography #polarizingmicoscope 鹿塩マイロナイトの偏光顕微鏡写真 070
