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  • 1
    facet.materialart.
    Unknown
    In:  CASI
    Publication Date: 2019-06-28
    Description: The Elatina formation in South America, which provides a rich fossil record of presumptive solar activity in the late Precambrian, is of great potential significance for the physics of the sun because it contains luminae grouped in cycles of about 12, an appearance suggestive of the solar cycle. Here, the laminae are treated as varves laid down yearly and modulated in thickness in accordance with the late Precambrian sunspot activity for the year of deposition. The purpose is to present a simple structure, or intrinsic spectrum, that will be uncovered by appropriate data analysis.
    Keywords: GEOPHYSICS
    Type: NASA-CR-183085 , NAS 1.26:183085 , CSSA-ASTRO-88-13 , AD-A199380
    Format: application/pdf
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  • 2
    facet.materialart.
    Unknown
    In:  Other Sources
    Publication Date: 2019-07-12
    Description: The Elatina formation in South Australia, which provides a rich fossil record of presumptive solar activity in the late Precambrian, is of great potential significance for the physics of the sun because it contains luminae grouped in cycles of about 12, an appearance suggestive of the solar cycle. Here, the laminae are treated as varves laid down yearly and modulated in thickness in accordance with the late Precambrian sunspot activity for the year of deposition. The purpose is to present a simple structure, or intrinsic spectrum, that will be uncovered by appropriate data analysis.
    Keywords: GEOPHYSICS
    Type: Solar Physics (ISSN 0038-0938); 116; 1 19; 179-194
    Format: text
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