Home > Term: sly bed
sly bed
Eng. Soft, black, bituminous shale with a white efflorescence on exposure. A hard calcareous band near the base, Middle Purbeck Beds, Swanage.
- Jenis Kata: noun
- Industri / Domain: Pertambangan
- Kategori: Peratmbangan secara umum; Mineral mining
- Government Agency: USBM
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Penulis
- ed.young
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(Milwaukee, United States)