Electron microprobe analysis of volcanic glass shards from Lake Superior sediment core sediments. Localities include off of Isle Royale and the Keweenaw Bay. This analysis was performed to test whethe
Interdisciplinary Earth Data Alliance (IEDA)2017-08-16 更新50
A total of 44 gravity cores were collected in the Azores region in 2017, during the R/V Meteor cruise M141/1. Based on their length, content in tephra layers, and spatial distribution around São Migue
Eleven glasses recovered from Holes 786A and 786B were fresh enough for volatile analysis by infrared spectroscopy. The compositions of these glasses range from boninitic to rhyolitic. The glasses fro
Major-element data of single glass shards (raw data, normalized, and from U1524 tephra found in the U1524 from IODP Expedition 374 sites. Analyses were carried out with a JEOL...