Limestone (FR.24.0004)
Find location
- Rock determination
- Sedimentary rock > Biochemical > Carbonate rock > Limestone > Sandy limestone
- Chronostratigraphy
- Phanerozoic; Mesozoic; Jurassic
- Lithostratigraphy
- Rock name
- Boulonnais limestone
- Rock synonyms
- Additional information
Find location
- Site type
- Natural geological outcrop
- Location
- France; Pas-de-Calais; Wimereux
- Region
- Boulonnais
- Site name
- Pointe aux Oies
- 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
- Components
- shell debris; calcareous cement
- Texture
- fine to medium
- Structure
- Weathering
- patina/oxidation
- Diagnostic features
- Additional information
- NFR B11
- Flepostore inventory nr.
- ARCH3.L1.A14
- Original inventory nr.
- 40629
- Collection
- Archaeological Department, Ghent University
- Type
- Covered thin section
- Comparable thin section(s)
- Components
- Monocrystalline quartz, rare zircon and phosphate. Frequent glauconite grains. Numerous large bioclasts (often bio-corroded and impregnated by pyrite?): pelecypods, gastropods, echinoderms, serpulids? Sparite mosaic (calcite cement) and syntaxial cement (around echinoderms)
- Texture
- badly sorted, angular sand grains. Grain size: fine: 50 microns
- Structure
- Weathering
- glauconite grains are partially oxidized (brown)
- Diagnostic features
- fine-grained glauconite-bearing fossiliferous calcareous sandstone
- Additional information
- Sample type
- Rock sample
- Inventory number
- FR.24.0004
- Collection
- Archaeological Department, Ghent University
- Donating institute/person
- Host collection
- Other samples available
- Yes
- Sample collection method
- Field Sampling (clay/rock)
Cite this page as: Flepostore - https://flepostore.ugent.be/rock/fr-24-0004
Last modified: 2024-05-03.