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・ Pseudalbara fuscifascia
・ Pseudalbara parvula
・ Pseudalcathoe
・ Pseudalcis
・ PSEmu Pro
・ PSEN1
・ PSEN2
・ Psenes
・ Psenicubiceps
・ Psenocerus supernotatus
・ Psenopsis
・ Psephis
・ Psephis gomalis
・ Psephis ministralis
・ Psephis myrmidonalis
Psephite
・ Psephochelys
・ Psephoderma
・ Psepholograph
・ Psephology
・ Psephophorus
・ Psephos
・ Psephosauriscus
・ Psephotus
・ Pserimos
・ Psettichthyini
・ Psettina
・ Psettopsis
・ Pseucoleucania
・ Pseudabacetus


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Psephite : ウィキペディア英語版
Psephite
Psephite ((ギリシア語:psephos), pebble) is either a sediment or sedimentary rock composed of fragments that are coarser than sand and which are enclosed in a matrix that varies in kind and amount. It is equivalent to a rudite. Shingle, gravel, breccia, and especially conglomerate, would all be considered psephites. It is equivalent to the Latin-derived term rudite. Psephite is more commonly used for a metamorphosed rudite.〔Neuendorf, K.K.E., J.P. Mehl, Jr., and J.A. Jackson, J.A., eds. (2005) ''Glossary of Geology'' (5th ed.). Alexandria, Virginia, American Geological Institute. 779 pp. ISBN 0-922152-76-4〕
Pettijohn 〔Pettijohn F. J. (1975), ''Sedimentary Rocks'', Harper & Row, ISBN 0-06-045191-2〕 gives the following descriptive terms based on grain size, avoiding the use of terms such as "clay" or "argillaceous" which carry an implication of chemical composition:

==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Psephite」の詳細全文を読む



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