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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 25/09/2026

An outdrop of hedenbergite skarn, Kamioka, Gifu, Japan.

Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 21/09/2026

Kuroshima Fishing Port, Japan, uplifted ~4 m in the Jan. 2024 Noto Peninsula Earthquake. The white part marks the former intertidal/subtidal zones encrusted by calcareous algae and other marine life. Already largely buried by sand.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 18/09/2026

Big hornblende crystals in meta-gabbro at a riverside in Kamioka, Gifu, Japan.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 17/09/2026

Columnar joints of andesite that collapsed due to the Noto Peninsula Earthquake.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 17/09/2026

An elevator surrounded by "Black Fossil Marble" - Moroccan limestone full of Orthoceras, in a parking lot located near the Kanazawa Station West Exit. #pavementgeology #街の中で見つかるすごい石 #街角地質学

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 17/09/2026

A beautiful green schist stone wall at a private residence in Kaga City, Ishikawa, Japan.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 12/09/2026

A fishing port uplifted by the 2024 Noto Peninsula Earthquake.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 11/09/2026

Peridotite nodule (xenolith) inside a stone bollard at the plaza in front of the Kitamaebune-no-Sato Museum, Kaga City, Ishikawa, Japan. I suspect it is basalt from Liaoning Province, China.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 01/09/2026

Took students caving at Toei-town, Aichi, Japan. Observed stalactites, stalagmites, and flowstones.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 30/08/2026

Big crystals of Cpx and Opx in peridotite, Hokkaido, Japan. #様似町 #peridotite

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 29/08/2026

Single crystal of olivine! #様似町 #アポイ岳ジオパークビジターセンター.#olivine #peridotite

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 25/08/2026

Ruby found in mafic rock within the peridotite of Mount Apoi, Hokkaido, Japan - A specimen at the the Apoi Geopark Visitor Center.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 25/08/2026

The view from Mt Apoi, a mountain of peridotite, Hokkaido, Japan.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 20/08/2026

A big hexagonal cross-section of quartz observed at a pegmatite outcrop in Hamada, Shimane, Japan.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 09/08/2026

A typical euhedral crystal of hornblende in the wall cladding of the Daisen Museum of Nature and History.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 03/08/2026

"Verde Lapponia", fuchsite-bearing quartzite from northern Norway. FOV=ca.5 mm #thinsection #petrology #petrography #polarizingmicoscope

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 20/07/2026

Hornblende in “Kannabe Ao-Mikage”, andesite from Toyooka, Hyogo, Japan

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 20/06/2026

Metamorphic peridotite from Ibaraki, Japan 蛇紋岩が熱変成してできたカンラン岩 #茨城県自然博物館

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 20/06/2026

Zoning of elbaite from Madagascar - Collection of the Ibaraki Nature Museum.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 20/06/2026

Zoning of fluorite from UK - Collection of the Ibaraki Nature Museum.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 31/05/2026

Kurobegawa granite, the youngest granite on Earth. Orthoclase exhibits poikilitic texture. FOV=ca.5 mm #thinsection #petrology #petrography #polarizingmicoscope #岩石 #偏光顕微鏡写真

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 30/05/2026

The stone used for the monument at Botagaike Park in Miyoshi City, Aichi, is "Rustenberg," gabbro from South Africa.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 22/05/2026

Hornblende in "Kuro-Kurama" - diorite or gabbro from Kurama, Kyoto, Japan. FOV=ca.2 mm #thinsection #petrology #petrography #polarizingmicoscope

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Reposted by Shoji Nishimoto / 西本昌司

Paul D. Taylor @nhmbryozoa.bsky.social · 21/05/2026

A couple of nice sections of echinoid fossils photographed this morning at the entrance to the Premium Lounge in Heathrow Terminal 2.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 31/03/2026

Titanite in granite from Kurahashi island, Kure, Hiroshima, Japan. FOV=ca.2 mm #thinsection #petrology #petrography #polarizingmicoscope

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 22/03/2026

Packed with brachiopod fossils, “Uzura” limestone used in the entrance wainscot of the former Mitsubishi Bank Otaru Branch (Otaru Canal Terminal). The same limestone was also used in Japan’s National Diet Building. #pavementgeology #街の中で見つかるすごい石 #街角地質学

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 22/03/2026

Large Shikamaia fossils in the stone counter at the former Bank of Japan Otaru Branch in Hokkaido, now a financial museum. Permian limestone from Gifu, Japan. #pavementgeology #街の中で見つかるすごい石 #街角地質学

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 19/03/2026

Burrow fossils (trace fossils) in the cladding of the Roppongi Hills in Tokyo are made of Kasota limestone, which comes from Minnesota in the USA. #pavementgeology #街の中で見つかるすごい石 #街角地質学

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 17/03/2026

A “snake” on the exterior stone wall of Roppongi Hills. Dolerite from Virginia, USA.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 17/03/2026

Trilobite fossil found in limestone next to the elevator in a building, Tokyo.

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Reposted by Shoji Nishimoto / 西本昌司

ピコモル @picomol.bsky.social · 21/02/2026

ゾルンホーフェン中の魚化石です！！！宮古島に来た目的の半分くらいはこれです。この子に会うために東京からはるばる1900キロやってきました。めちゃくちゃ分かりやすいところにいた〜笑（Okinawa, Japan） #街の中で見つかるすごい石 #石材と街化石

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 21/02/2026

Mt. Norikura-dake, an active volcano in central Japan composed of andesite–dacite lava domes and lava flows, viewed from a ski ground in Nagano Prefecture.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 18/01/2026

Manganese dendrites displayed in Gamagori Natural History Museum.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 28/12/2025

Pyroclastic dike intruding into pitchstone. Aichi, Japan.

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Reposted by Shoji Nishimoto / 西本昌司

ひとみしり犬 @kutan4959.bsky.social · 26/12/2025

なるほどね。ちょっと面白いのが厄介だよな。多分もうやらない。足多いな。

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 20/12/2025

Mylonite 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

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 30/11/2025

Ptygmatic vein in a cobble from Tenryu-river, Shizuoka. - Specimens on display at Kiseki museum.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 30/11/2025

Red Mt. Fuji by the sunset seen through a lava tree mold. 溶岩樹型越しに見る赤富士 #奇石博物館 #赤富士

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 10/10/2025

'Vietnam Basalt' from Tỉnh Gia Lai, Vietnam; OPL, FOV=ca.5 mm #thinsection #petrology #petrography #polarizingmicoscope 「ベトナムバサルト」の偏光顕微鏡写真

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 19/09/2025

"Amakusa whetstone", a rhyolite from Amakusa in Kumamoto prefecture, displays a pattern resembling tree rings.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 19/09/2025

Combination of sandstone and dacite from Amakusa, Kumamoto prefecture, at the Memorial Museum of the Fifth High School at Kumamoto University.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 12/09/2025

What are these fossils in the mantle in a hotel. Stone is probably Egyptian limestone.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 12/09/2025

Tenjin Station on the Fukuoka City Subway was almost entirely covered in unknown marble. I could not stop looking at it and watched several trains pass by.

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Shoji Nishimoto / 西本昌司 @nishimoto.rocks · 04/09/2025

Saku Teppei-Seki Quarry in Sakuho, Nagano, Japan. This andesite has platy joints that fracture easily into thin slabs.

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