- marker bed
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A rock unit with distinctive stratigraphic features which can be traced over a wide area.
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marker bed
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marker bed — ▪ geology also called Key Bed, a bed of rock strata that are readily distinguishable by reason of physical characteristics and are traceable over large horizontal distances. Stratigraphic examples include coal beds and beds of volcanic… … Universalium
marker bed — noun : marker 2j … Useful english dictionary
marker bed — A bed with characteristic features that can be followed over large areas for identification purposes [16] … Lexicon of Cave and Karst Terminology
Bed & Breakfast ' T Langhûus — (Schellinkhout,Нидерланды) Категория отеля: Адрес: Dorpsweg 121, 16 … Каталог отелей
bed, marker — Bed with characteristic features that can be followed over large areas for identification purposes [16] … Lexicon of Cave and Karst Terminology
Bed bug control techniques — Cimicidae or bed bugs (sometimes bedbugs), are small parasitic insects.The term usually refers to species that prefer to feed on human blood. Early detection and treatment are therefore critical in success of control. According to a survey, the… … Wikipedia
Marker horizon — Tephra horizons in Iceland Marker horizons or chronohorizons or marker beds are stratigraphic units of the same age and of such distinctive composition and appearance, that, despite their presence in separate geographic locations, there is no… … Wikipedia
Key bed — In geology, a key bed ( syn marker bed) is a widespread sedimentary layer that formed at a single time, such that it is useful for geologic correlations and dating over a large area. Examples of key beds are massive ashfalls, such as those… … Wikipedia
Surface marker buoy — A surface marker buoy, SMB or simply a blob is an inflatable buoy used by scuba divers, with a line, to indicate the diver s position to their surface safety boat while the diver is underwater. Contents 1 Standard buoy 2 Decompression buoy 2.1… … Wikipedia
Surface Marker Buoy — (standard) = A Surface Marker Buoy, SMB or simply a blob is an inflatable buoy used by SCUBA divers, with a line, to mark the diver s position to their surface, safety boat while the diver is underwater.SMBs are inflated on the surface before… … Wikipedia
