Sandstone (FR.22.0002)
Find location
- Rock determination
- Sedimentary rock > Siliciclastic > Sandstone > Calcareous sandstone
- Chronostratigraphy
- Phanerozoic; Mesozoic; Jurassic; Upper Jurassic
- Lithostratigraphy
- Grès de Chatillon Formation
- Rock name
- Boulonnais calcareous sandstone
- Rock synonyms
- grès bâtard; faux grès; grès Portlandien; pierre de Boulogne
- Additional information
- Age: Kimmeridgian/Tithonian (formerly Portlandian age)
Find location
- Site type
- Natural geological outcrop
- Location
- France; Pas-de-Calais; Audinghen
- Region
- Boulonnais
- Site name
- Cran Poulet
- Excavation or Survey Team
- Dr. R. Dreesen and Prof. W. De Clercq
- Additional contextual information
- This sample was collected at the foot of the coastal cliffs.
- Natural color
- blue grey
- Aged color
- beige to pale brown
- Components
- rare casts of calcareous sandstone?; calcareous cement;
- Texture
- fine grained
- Structure
- oblique bedding
- Weathering
- patina/oxidation
- Diagnostic features
- Additional information
- NFR B3
- Flepostore inventory nr.
- ARCH3.L1.A9
- Original inventory nr.
- 40620
- Collection
- Archaeological Department, Ghent University
- Type
- Covered thin section
- Comparable thin section(s)
- Components
- mono- and polycrystalline quartz, lithic fragments (quartzite, sandstone, chert or flint, calcareous sandstone), rare zircon and muscovite. Rare glauconite grains. Frequent bioclasts (pelecypods, echinoderms, phosphate)
- Texture
- moderately to badly sorted, subrounded sand grains. Grain size: 40-300 microns
- Structure
- preferential orientation of shell debris parallel to bedding
- Weathering
- Diagnostic features
- calcareous sandstone with poikilotopic calcite cement and preferentially oriented shell debris.
- Additional information
- Sample type
- Rock sample
- Inventory number
- FR.22.0002
- Collection
- Archaeological Department, Ghent University
- Donating institute/person
- Host collection
- Other samples available
- Yes
- Sample collection method
- Field Sampling (clay/rock)
Debonne & Dreesen 2015
- Full reference
-
Debonne V. & Dreesen R. 2015. Stenen immigranten in de Zwinstreek. Natuursteen in de Onze -Lieve-Vrouwhemelvaartkerk in Damme. Relicta 12: 149-180.
- File
- Link
Cite this page as: Flepostore - https://flepostore.ugent.be/rock/fr-22-0002
Last modified: 2024-04-27.