File:Bif in time.jpg

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Original file ‎(792 × 612 pixels, file size: 37 KB, MIME type: image/jpeg)

Captions

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This graph shows relative abundance of banded iron formations by geologic time.
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Summary[edit]

Description
English: This graph shows the relative abundance of banded iron formations in the geologic record, as a function of time before the present. Color indicates dominant type. Red = older Archean formations; green = Greater Gondwana formations; blue = granular iron formations; black = Snowball Earth formations.
Adapted from Trendall, A.F. (2002). "The significance of iron-formation in the Precambrian stratigraphic record". In Altermann, Wladyslaw; Corcoran, Patricia L. (eds.). Precambrian Sedimentary Environments: A Modern Approach to Ancient Depositional Systems. Blackwell Science Ltd., ISBN 0-632-06415-3
Date
Source Own work
Author Kent G. Budge

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Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
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Date/TimeThumbnailDimensionsUserComment
current02:23, 8 August 2022Thumbnail for version as of 02:23, 8 August 2022792 × 612 (37 KB)Kent G. Budge (talk | contribs)Change to a color scheme more easily distinguished by persons with impaired color vision
16:02, 18 June 2020Thumbnail for version as of 16:02, 18 June 2020792 × 612 (30 KB)Kent G. Budge (talk | contribs)Uploaded own work with UploadWizard

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