Kerker Member

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Journal Article
Journal: PALAIOS
Published: 01 July 2012
PALAIOS (2012) 27 (7): 455-464.
...MICHELA CONTESSI; FEDERICO FANTI Abstract The discovery of fossil bird tracks from the Cenomanian Kerker Member (Zebbag Formation) in southern Tunisia represents the oldest report of fossil birds from the Cretaceous of continental Africa. Three small bird tracks were discovered in a track-bearing...
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Journal Article
Journal: AAPG Bulletin
Published: 01 August 2009
AAPG Bulletin (2009) 93 (8): 1039-1061.
... decreases as the hematite particle size increases. With increasing size from 0.1 to 0.8 μm, the color progressively changes from orange to red to purple ( Kerker et al., 1979 ; Morris et al., 1985 ). The color of hematite changes to gray in the 5–10-μm-size range ( Lane et al., 1999 ) so that coarse...
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