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Figure 1

From: Evidence in the Japan Sea of microdolomite mineralization within gas hydrate microbiomes

Figure 1

Microdolomite-bearing gas hydrate samples were collected by drilling at the crest to anticlinal structures in Joetsu Basin, located offshore Japan’s main island Honshu, between 900 m and 1000 m water depth. The sampling sites are in the general proximity of deep hydrocarbon wells located in Niigata Prefecture (white triangles). The Joetsu Knoll (JK) site is located on the southeastern crest of the knoll while the two Umitaka Spur sites were both located on the margins of giant pock marks in the northeast (UTNE) and central west (UTCW).

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