Chemistry of particles from the Toba ash layer, supplement to: Bühring, Christian; Sarnthein, Michael; ODP Leg 184 Shipboard Scientific Pary (2000): Toba ash layers in the South China Sea: Evidence of contrasting wind directions during eruption ca. 74 ka. Geology, 28(3), 275-278

Christian Bühring, Michael Sarnthein & ODP Leg 184 Shipboard Scientific Pary
Two cores from the southern South China Sea contain discrete ash layers that mainly consist of rhyolithic glass shards. On the basis of the SPECMAP time scale, the ash layers were dated to ca. 74 ka, the age of the youngest Toba eruption in northern Sumatra. This link is supported by the chemical composition of the glass, which is distinct from volcanic glass supplied from the Philippines and the northern South China Sea, but is...
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