Sandstone (FR.22.0001)
Find location
- Rock determination
- Sedimentary rock > Siliciclastic > Sandstone > Calcareous sandstone
- Chronostratigraphy
- Phanerozoic; Mesozoic; Jurassic; Upper Jurassic
- Lithostratigraphy
- Grès de Chatillon Formation / Grès de la Crèche 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
- light blue grey
- Aged color
- beige; rusty brown
- Components
- clasts of fossil charcoal
- Texture
- fine to medium
- Structure
- Weathering
- patina; oxidation
- Diagnostic features
- Additional information
- NFR B1
- Flepostore inventory nr.
- ARCH3.L1.A6
- Original inventory nr.
- 40617
- Collection
- Archaeological Department, Ghent University
- Type
- Covered thin section
- Comparable thin section(s)
- Components
- dominantly mono- and polycrystalline quartz grains, some chert (flint), rare muscovite and zircon, rare glauconite, phosphate and black charcoal grains ad plant remains. Numerous longitudinal bioclasts (dominantly shell fragments; rare echinoderms; very rare foraminifera). Poekilotopic calcite cement and local syntaxial calcite (around echinoderm fragments).
- Texture
- Badly to moderately sorted subangular to subrounded sand grains. Grain size: 60-400 microns.
- Structure
- Weathering
- Diagnostic features
- calcareous sandstone with numerous tiny shell fragments
- Additional information
- Sample type
- Rock sample
- Inventory number
- FR.22.0001
- 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-22-0001
Last modified: 2024-04-27.