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濱村 きくま　📡🛰️
@Hamamura_Kikuma
佐渡の稲作のはじまりは、約2000年前からだとされ、佐渡中央部の湿地帯を中心に行われていました。 この度、加茂湖周辺の丘陵に、古墳時代前期(4世紀)の築造とみられる前方後円墳2基があることが分かりました。 ともに全長約30m、高さ後円部約2m、前方部約1m。 他に、円墳4基も確認されました。
The image shows a detailed map of a hilly area around Lake Kamo on Sado Island, Japan. The map highlights the locations of ancient tombs from the early Kofun period (4th century), specifically two keyhole-shaped tombs and four circular tombs. The map is overlaid with red lines indicating property boundaries and numbers, with some areas marked with specific symbols like houses and crosses. The context provided by the post text reveals that rice cultivation on Sado Island began around 2000 years ago, centered around the central wetlands, adding historical significance to the archaeological findings depicted in the map. The map is part of a post by 濱村 きくま (@Hamamura_Kikuma) discussing these recent discoveries.
The image shows a detailed map of a hilly area around Lake Kamo on Sado Island, Japan. The map highlights the locations of ancient tombs from the early Kofun period (4th century), specifically two keyhole-shaped tombs and four circular tombs. The map is overlaid with red lines indicating property boundaries and numbers, with some areas marked with specific symbols like houses and crosses. The context provided by the post text reveals that rice cultivation on Sado Island began around 2000 years ago, centered around the central wetlands, adding historical significance to the archaeological findings depicted in the map. The map is part of a post by 濱村 きくま (@Hamamura_Kikuma) discussing these recent discoveries.
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@niigata_nippo
佐渡で初めて前方後円墳発見、加茂湖周辺の丘陵に2基…日本海側最北、古墳時代前期（４世紀）の築造か niigata-nippo.co.jp/articles/-/597
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