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  5. Use of Tephrochronology in the Evaluation of Accumulation Rates on Nelson Ice Cap,South Shetland Isa

Use of Tephrochronology in the Evaluation of Accumulation Rates on Nelson Ice Cap,South Shetland Isa

来源 :中国科学：化学英文版 | 被引量 : 0次 | 上传用户：myrost
【摘 要】
：
A volcanic ash layer was observed in the 3 ice cores on the Nelson Ice Cap,Antarctica.Acomparison of major elemental composition of glass shards from the 3 teph
【作 者】
：
秦大河 G A.Zielinski M.S.Germain 
【机 构】
：
LanzhouInstituteofGlaciologyandGeocryology,InstituteoftheStudyofEarth,McCroneAssociates
【出 处】
：
中国科学：化学英文版
【发表日期】
：
1994年10期
【关键词】
：
ice core STRATIGRAPHY tephrochronology composition of glass shards ACCUMULATION 
【基金项目】
：
the National Natural Science Foundation of China, the State Committee for Antarctic Research of China
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A volcanic ash layer was observed in the 3 ice cores on the Nelson Ice Cap,Antarctica.Acomparison of major elemental composition of glass shards from the 3 tephra layers with average whole-rockcompositions of 1967-1970 eruptions on the Deception Island an
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