Overall sketch map showing ammonoids and Photographs showing sampling points in shallow-marine fine sandstone of the lower Coniacian Ashizawa Formation, Futaba Group, Northeast Japan
figure
posted on 2023-02-21, 00:37 authored by Hikaru Omori, Hisao Ando, Yusuke Muramiya, Fumiaki Utagawa, Ryusei Kuma, Hidekazu Yoshida
Fig. S1. Overall sketch map showing ammonoids (in situ:
green; ex situ: green–yellow; unknown: purple), calcareous
concretions (blue), wood fragments (dark orange), and
colors coded by elevation for six intervals (+3, +2, +1, ±
0, －1, －2) of 30 cm based on the widest flat surface as
the standard surface of ± 0. Ammonoid shells (M1–M93)
and concretions (Co1–Co176) are numbered.
Fig. S2. Photographs showing sampling points of the indoor
outcrop. Red stars indicate sampling points. Samples
obtained from each point were used for geochemical analyses.
Funding
Paleoenvironments, paleogeography and basins of Cretaceous system in Japanese island arcs reconstructed from integrated stratigraphic correlation
Japan Society for the Promotion of Science
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