蓝岩为武夷山九十九名岩之一。位于楼阁岩之西，与楼阁岩之麓连体，至楼阁岩岩腰上，渐次分开。岩麓上，有条状的崩塌石斜依岩壁，横插蓝岩与楼阁岩之间，形似关隘的门额。石上的摩崖石刻为“求天门”三字，岩壁上还勒有“太保屏”、“天心明月”等。蓝岩隔峡面对“一线天”，岩壁上勒有诸多咏颂此一奇特景观的诗刻和纪游题刻，其中最著名的有朱熹高徒蔡元定的后裔、南宋理宗朝名宦蔡公亮与诸友的唱和诗以及纪游文。
矿物质、藻类和蓝菌为内华达州黑岩沙漠的间歇喷泉披上华美绚丽的外衣。
Minerals, algae, and cyanobacteria give this geyser in Nevada's Black Rock Desert its brilliant colors.
区内含蓝闪石岩的原岩包括优地槽内发育的各类富钠火山岩、含富钠火山质的沉积岩。
The primary rocks include the various sodium-rich volcanic rocks and the sedimentary rocks with sodium-rich volcanic materials which are well developed in the North Qilian eugeosyncline area.
那里的蓝片岩是由于陆内俯冲而形成。
The blueschist was formed owing to intercontinental subduction.
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