retrogressive metamorphism

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• Regressive metamorphism — Regressive Re*gress ive (r?*gr?s ?v), a. [Cf. F. r[ e]gressif.] [1913 Webster] 1. Passing back; returning. [1913 Webster] 2. Characterized by retrogression; retrogressive. [1913 Webster] {Regressive metamorphism}. (a) (Biol.) See {Retrogression} …   The Collaborative International Dictionary of English

• Becke, Friedrich Johann Karl — ▪ Austrian mineralogist born , Dec. 31, 1855, Prague, Bohemia, Austrian Empire died June 18, 1931, Vienna, Austria       mineralogist who in 1903 presented to the International Geological Congress a paper on the composition and texture of the… …   Universalium

• Catagenesis (geology) — See Catagenesis (biology) for usage in the field of biology, where it refers to retrogressive evolution. Contrast with anagenesis. Catagenesis is a term used in petroleum geology to describe the cracking process which results in the conversion of …   Wikipedia

• Anthophyllite — Infobox mineral name = Anthophyllite category = boxwidth = boxbgcolor = caption = formula = Hydrous Magnesium Iron silicate (Mg,Fe)7Si8O22(OH)2 molweight = color = gray to green, brown, and beige habit = Rarely as distinct crystals. Commonly… …   Wikipedia

• Regressive — Re*gress ive (r?*gr?s ?v), a. [Cf. F. r[ e]gressif.] [1913 Webster] 1. Passing back; returning. [1913 Webster] 2. Characterized by retrogression; retrogressive. [1913 Webster] {Regressive metamorphism}. (a) (Biol.) See {Retrogression}. (b)… …   The Collaborative International Dictionary of English