Chemical heterogeneity of Mt. Etna magmas in the last 15 ce:hsp>ka. Inferences on their mantle sources
详细信息 查看全文
- 作者：Rosa Anna Corsaroa ; ; Nicole Mé ; trichb ; c
- 关键词：Mt. Etna ; Geochemistry ; Mantle source ; Basalts ; Alkali-enrichment
- 刊名：Lithos
- 出版年：2016
- 出版时间：May 2016
- 年：2016
- 卷：252-253
- 期：Complete
- 页码：123-134
- 全文大小：1625 K
文摘
- class="listitem" id="list_l0010">
- class="label">•
225">We focus on the primitive basaltic magmas that bypassed Etna central conduits.
- class="label">•
Magma heterogeneities are linked to the melting of heterogeneous Hyblean-type mantle.
- class="label">•
None of the pre-1970s magmas are parent of present-day basalts.
- class="label">•
The ongoing selective alkali-enrichment of Etna magmas is a mantle source process.
- class="label">•
The decoupling of Rb–K and 87Sr–Cl reveals multistage events of mantle metasomatism.