地层指南，是关于地层学原理、观点和地层工作的依据和准则，术语和命名程序规则的明确规定和阐述，也称地层规范。
国际地层指南中指出，地层学应扩展为包括对构成地壳的所有岩石体的描述。
International Stratigraphic Guide pointed out that stratigraphy should be defined as the description of all rock bodies constituting the earth crust.
以《国际地层指南》的多重地层划分观点为基础，建立了一套完整的义县组岩石岩层单位。
According to the multiple stratigraphic division of the International stratigraphic Guide, a complete column of lithostratigraphic units of the Yixian Formation has been erected.
此领域指南是由Ian West创建的，描述了英国Dorset海岸Lul worth峡谷区的地层与化石，这个地区是地质学者访问最多的地方。
This field guide, produced by Ian West, describes the strata and fossils of the Lulworth Cove area of Dorset, the most-visited geological locality in Britain.
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