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・ Boneh-ye Molla Ahmad
・ Boneh-ye Morteza
・ Boneh-ye Murt Lakhshak
・ Boneh-ye Musa
・ Boneh-ye Nafal
・ Boneh-ye Naimeh
・ Boneh-ye Narges
・ Boneh-ye Nejat
・ Boneh-ye Pir
・ Boneh-ye Qeysar
・ Boneh-ye Qeytas
・ Boneh-ye Qobad
・ Boneh-ye Rahimali
・ Boneh-ye Rashid
・ Boneh-ye Reza
Bone Valley Formation
・ Bone Wars
・ Bone Wars (book)
・ Bone wax
・ Bone, Idaho
・ Bone-A-Fide
・ Bone-anchored hearing aid
・ Bone-Appetit!
・ Bone-mouth
・ Bone-seeking radioisotope
・ Bone-with-meat (hieroglyph)
・ Bonea
・ Boneau
・ Boneau, Montana
・ Boneau/Bryan-Brown


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Bone Valley Formation : ウィキペディア英語版
Bone Valley Formation

The Bone Valley Formation is a geologic formation in Florida. It is sometimes classified as the upper member of the Peace River Formation of the Hawthorn Group. It contains economically important phosphorite deposits that are mined in west-central Florida, as well as rich assemblages of vertebrate fossils.
==Lithology==
The Bone Valley Formation consists of sandy marl that contains pebbles of phosphate and chert, fragments of bone, and other organic remains. The finer grained material is soft and plastic when wet, but hardens when dry.〔Matson, G.C. and Clapp, F.G. 1909. A preliminary report on the geology of Florida with special reference to the stratigraphy. Florida Geological Survey Annual Report, no. 2, p. 13-173.〕

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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