The structure and origin of the banded hematite jaspers of Singhbhum, India

Abstract

Other| June 01, 1952 The structure and origin of the banded hematite jaspers of Singhbhum, India E. Spencer; E. Spencer Search for other works by this author on: GSW Google Scholar F. G. Percival F. G. Percival Search for other works by this author on: GSW Google Scholar Author and Article Information E. Spencer F. G. Percival Publisher: Society of Economic Geologists First Online: 02 Mar 2017 Online ISSN: 1554-0774 Print ISSN: 0361-0128 GeoRef, Copyright 2008, American Geological Institute. Reference includes data from Bibliography and Index of Geology Exclusive of North America, Geological Society of America, Boulder, CO, United States Economic Geology (1952) 47 (4): 365–383. https://doi.org/10.2113/gsecongeo.47.4.365 Article history First Online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation E. Spencer, F. G. Percival; The structure and origin of the banded hematite jaspers of Singhbhum, India. Economic Geology 1952;; 47 (4): 365–383. doi: https://doi.org/10.2113/gsecongeo.47.4.365 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyEconomic Geology Search Advanced Search Abstract Small-scale deformation exhibited by Precambrian banded hematite jaspers of the Singhbhum iron district, India, is of two types--puckering, characterized by the production of drag folds, knots, and lenses in the hematite bands, which took place prior to consolidation of the sediments, and fracturing and shatter folding, which occurred after consolidation. The hematite jaspers were formed by the precipitation of iron oxide and silica in colloidal form; banding was probably related to variations in the supply of silica in the colloidal sediments. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.