They were formed in an island-arc environment of moderate maturity, and the volcanic rocks present in Dongshuixia area might have been formed in an intra-arc rift.

火山岩形成于具有中等成熟度的岛弧环境，其中发育于东水峡的火山岩可能形成于弧内裂谷环境。

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If the Democrats can show some toughness, as Dayton did, while at the same time demonstrating maturity and moral superiority, then they are laying a foundation that just might appeal to moderate and reasonable voters on both sides of the aisle.

FORBES: Minnesota Government To Re-open As Gov. Dayton Caves On Tax Increases