| OCR Text |
Show 51 Hydrothermal Experments In reoent years, widely used method cal application the complex als forrng spent on nature and an of laboratory synthesis conditions a mica the -being alteration, mica being is an case, and if of time which may be inveqtigation, talc, as OGCUrS alteration has been the the se ore is progressive, prOduct of least intense intermediate alteration phase. being produce by the under zone Presumably with montmorillonite this under which natural miner by the limited amount montmorillonite talc practi technique is limited, however, by the of The a experimento approachedo and become studying mineral systemso of In the alteration quence ; has the mot we can intense alteration produce in the laboratory situation similar to that which occurred in nature, should be able to convert montmorillonite Nagelschmidt, colloids4? in his suggests the study of the probability to mica mineralogy that a It we and of talee soil reaction of the type: montmorillonite illite muscovite occurs in I nature that 0 of: A reasonable extebslon of this reaction would be sapon i te l\1Ig mica Caillere and Heninll clay ph Logo pd te published the results gation concerning this type of reactiono purified montmorillonite with saturate the base a of , an In 1949, investi They treated a normal solution of KCl to exchange positions with potassiumo After |
