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Progress in Earth and Planetary Science
Fig. 4 | Progress in Earth and Planetary Science

Fig. 4

From: Sr isotopic ratios of hydrothermal fluids from the Okinawa Trough and the implications of variation in fluid–sediment interactions

Fig. 4

Endmember Sr isotopic ratios of hydrothermal fluids from the Okinawa Trough and sites worldwide. Black represents data from MOR hydrothermal systems, blue represents data from backarc systems, and red represents data from arc volcanoes. Open symbols indicate sediment-starved systems, and closed symbols indicate sediment-associated systems. The Sr isotopic ratios of solids (MORB, volcanic rocks from the Okinawa Trough, and sediments from the East China Sea) are also shown. A light blue star and dash-dotted line indicate the Sr isotopic ratios of seawater

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