The weathering of aboriginal stone artifacts, no. 1. - a consideration of the paleoliths of Kansas (illustrated by 20 figures and 19 half-tone plates) (1913) (14779883771)

Identifier: weatheringofabor00wincrich (find matches)
Title: The weathering of aboriginal stone artifacts, no. 1. : a consideration of the paleoliths of Kansas (illustrated by 20 figures and 19 half-tone plates)
Year: 1913 (1910s)
Authors: Winchell, N. H. (Newton Horace), 1839-1914 Minnesota Historical Society
Subjects: Stone implements -- Kansas Kansas -- Antiquities
Publisher: St. Paul, Minn. : Minnesota Historical Society
Contributing Library: University of California Libraries
Digitizing Sponsor: MSN



Text Appearing Before Image:
Oiitll r a IliUMtlitli from F«Miar<lent,KrJiiice. COMPARISON WITH EUROPEAN PALEOLITHS. 13 proving- that the 3ellow and buff tones and the glossi-ness have been acquired by weathering. These ac-quired tones do not pierce the substance of the chert
Text Appearing After Image:
Outline of a Paleollth from Feuardent, France. 14 wi:aiiii;i;i.\(; of stone autifacts. to any apprccialjlc thickness, but the oldest surface,which came next to the rock matrix, is changed to anearly white C(jlor to a depth of one thirty-second partof an inch to one-sixteenth part, and its texture isfinely granular and harsh to the finger-nail. This yel-low-bufif color, which is more pronounced on one side(a) than the other, must be considered, therefore, as apafiiui formed by long weathering. It is not a glacialcoating, but a weather-coating. The other side of this specimen (a) likewise evincesits age by a similar alteration of color, but much lessmarked. Indeed this side is almost wdiolly mottledgray, with only a faint clouding by bufi. All over thisside, however, arc small scatterctl specks of limonite,or limonitic manganese, of about the size of a commonpin head. This side was probably turned downwardduring a long period while the other side was exposedto the sun and the friction o