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ERIC Number: EJ415555
Record Type: CIJE
Publication Date: 1990
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0022-1368
Deciphering the Origin of Plume-Textured Geodes.
Garlick, George Donald; Jones, Francis Tucker
Journal of Geological Education, v38 n4 p298-305 Sep 1990
Presented is an interpretation of the inward and outward growth and formation of plume textured geodes available from southern Brazil. Field occurrence, morphology of vesicles, growth history, closure of the agate shell, microscopic features, coherent reflection of light from convoluted surfaces, and accessory minerals of the inner cavity are discussed. (CW)
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: Teachers; Researchers; Practitioners
Language: English
Sponsor: N/A
Authoring Institution: N/A