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Laurin, Jiri; Uličný, David; Čech, Stanislav; Trubač, Jakub; Zachariáš, Jiri; Svobodová, Andrea (2021): Greyscale density, sediment core 4523-A [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.932680, In: Laurin, J et al. (2021): Carbon isotope, greyscale and well-log data, Lower Turonian, Bohemian Cretaceous Basin [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.932683

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Abstract:
This file includes new data on the greyscale density (8-bit) from the core 4523-A, western part of the Bohemian Cretaceous Basin. The interval covers the uppermost Cenomanian through Middle Turonian. The data were extracted from high-resolution (~10 pixels/mm) photographs using the image-processing software ImageJ (National Institutes of Health, Bethesda, MD).
Keyword(s):
Carbon cycle; carbon isotope ratios; Cretaceous; greyscale; Orbital forcing; Turonian; Well log
Funding:
Czech Science Foundation (GACR), grant/award no. 17-10982S: Sea-level change and global carbon cycle in greenhouse climate: trans-Atlantic correlation of Turonian (mid-Cretaceous) sedimentary archives
Coverage:
Latitude: 50.540556 * Longitude: 14.229444
Date/Time Start: 2016-03-01T00:00:00 * Date/Time End: 2016-03-30T00:00:00
Minimum DEPTH, sediment/rock: 130.00 m * Maximum DEPTH, sediment/rock: 216.00 m
Event(s):
4523-A * Latitude: 50.540556 * Longitude: 14.229444 * Date/Time Start: 2016-03-01T00:00:00 * Date/Time End: 2016-03-30T00:00:00 * Method/Device: Core drilling (CDRILL)
Comment:
High-resolution (~10 pixels/mm) photographs taken under uniform light conditions; the greyscale log was extracted using the image-processing software ImageJ (National Institutes of Health, Bethesda, MD).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, sediment/rockDepth sedmLaurin, JiriGeocode
2Greyscale valueGreyLaurin, JiriImage analysis NIH ImageJ8-bit
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
8601 data points

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