Description: These marcasites are 'trapped' in massive blocks of chalk. At first they appear to be boulder of chalk, only heavier. But if you clean them, it is amazing what comes out.

References:

Delporte, Fréderic, Galvier, Jacques, Le Cleac'h, Jean-Michel (1999) Pyrite ou Marcasite? L'exemple du Cap Blanc-Nez, Pas-de-Calais, France. Le Règne Minéral, 5 (25) 29-41

ⓘ Melanterite

Formula: Fe²⁺(H₂O)₆(SO₄) · H₂O

Locality: Cap Blanc-Nez, Escalles, Calais, Pas-de-Calais, Hauts-de-France, France

References:

Trouvaille & Collection Jean-Marie Claude Identified by Jean-Marie Claude: Visual Identification

ⓘ Native Sulphur

Formula: S₈

Locality: Cap Blanc-Nez, Escalles, Calais, Pas-de-Calais, Hauts-de-France, France

References:

Trouvaille & Collection Jean-Marie Claude Identified by Jean-Marie Claude: Visual Identification

ⓘ Pyrite

Formula: FeS₂

Locality: Cap Blanc-Nez, Escalles, Calais, Pas-de-Calais, Hauts-de-France, France

References:

Delporte, Fréderic, Galvier, Jacques, Le Cleac'h, Jean-Michel (1999) Pyrite ou Marcasite? L'exemple du Cap Blanc-Nez, Pas-de-Calais, France. Le Règne Minéral, 5 (25) 29-41

ⓘ Quartz

Formula: SiO₂

Locality: Cap Blanc-Nez, Escalles, Calais, Pas-de-Calais, Hauts-de-France, France

References:

De Bondt, Paul (n.d.) Personal communication.

ⓘ Quartz var. Chalcedony

Formula: SiO₂

Locality: Cap Blanc-Nez, Escalles, Calais, Pas-de-Calais, Hauts-de-France, France

References:

De Bondt, Paul (n.d.) Personal communication.

ⓘ Vivianite

Formula: Fe²⁺Fe²⁺₂(PO₄)₂ · 8H₂O

Locality: Cap Blanc-Nez, Escalles, Calais, Pas-de-Calais, Hauts-de-France, France

References:

Chollet Pascal Collection

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Sulphur	1.CC.05	S₈
Group 2 - Sulphides and Sulfosalts
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Marcasite	2.EB.10a	FeS₂
Group 4 - Oxides and Hydroxides
ⓘ	Quartz var. Chalcedony	4.DA.05	SiO₂
ⓘ		4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Aragonite	5.AB.15	CaCO₃
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Melanterite	7.CB.35	Fe²⁺(H₂O)₆(SO₄) · H₂O
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Vivianite	8.CE.40	Fe²⁺Fe²⁺₂(PO₄)₂ · 8H₂O
Unclassified
ⓘ	'Limonite'	-
ⓘ	'Apatite'	-	Ca₅(PO₄)₃A

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
H	ⓘ Vivianite	Fe²⁺Fe₂²⁺(PO₄)₂ · 8H₂O
C	Carbon
C	ⓘ Aragonite	CaCO₃
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Aragonite	CaCO₃
O	ⓘ Calcite	CaCO₃
O	ⓘ Quartz var. Chalcedony	SiO₂
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
O	ⓘ Quartz	SiO₂
O	ⓘ Vivianite	Fe²⁺Fe₂²⁺(PO₄)₂ · 8H₂O
O	ⓘ Apatite	Ca₅(PO₄)₃A
Si	Silicon
Si	ⓘ Quartz var. Chalcedony	SiO₂
Si	ⓘ Quartz	SiO₂
P	Phosphorus
P	ⓘ Vivianite	Fe²⁺Fe₂²⁺(PO₄)₂ · 8H₂O
P	ⓘ Apatite	Ca₅(PO₄)₃A
S	Sulfur
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Marcasite	FeS₂
S	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
S	ⓘ Pyrite	FeS₂
S	ⓘ Native Sulphur	S₈
Ca	Calcium
Ca	ⓘ Aragonite	CaCO₃
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Apatite	Ca₅(PO₄)₃A
Fe	Iron
Fe	ⓘ Marcasite	FeS₂
Fe	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Vivianite	Fe²⁺Fe₂²⁺(PO₄)₂ · 8H₂O

Fossils

There are 7 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences

Youngest Fossil Listed

0.01 Ma (Pleistocene)

Oldest Fossil Listed

101 Ma (Late/Upper Cretaceous)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Platypterygius kiprijanoffi species	Animalia : Chordata : Reptilia : Leptopterygiidae : Platypterygius : *Platypterygius kiprijanoffi*	100.5 - 93.9 Ma Late/Upper Cretaceous
Laocoetis fittoni species	Animalia : Porifera : Hexactinellida : Innaecoeliida : Craticulariidae : Laocoetis : *Laocoetis fittoni*	100.5 - 93.9 Ma Late/Upper Cretaceous
Rhizopoterionopsis pruvosti species	Animalia : Porifera : Hexactinellida : Lychniscosida : Ventriculitidae : Rhizopoterionopsis : *Rhizopoterionopsis pruvosti*	100.5 - 93.9 Ma Late/Upper Cretaceous
Terebratulina protostriatula species	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Cancellothyrididae : Terebratulina : *Terebratulina protostriatula*	100.5 - 93.9 Ma Late/Upper Cretaceous
Callicylix eocenicus species	Animalia : Porifera : Hexactinellida : Lychniscosida : Callodictyonidae : Callicylix : *Callicylix eocenicus*	100.5 - 93.9 Ma Late/Upper Cretaceous

Fossil Localities

Click to show 2 fossil localities

France

Hauts-de-France
- Pas-de-Calais
  - Quaternary🐚 Marck—“La Haute Maison”
  - Late/Upper Cretaceous🐚 Petit-Blanc-Nez

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Arrondissement_of_Calais
Wikidata ID:	Q700809
GeoNames ID:	3029161

Localities in this Region

France

Hauts-de-France
- Pas-de-Calais
  - Calais
    - ⭔Alembon
    - ⭔Andres
    - ⭔Ardres
    - ⭔Audruicq
    - ⭔Autingues
    - ⭔Bainghen
    - ⭔Balinghem
    - ⭔Bonningues-lès-Calais
    - ⭔Bouquehault
    - ⭔Boursin
    - ⭔Brêmes
    - ⭔Caffiers
    - ⭔Calais
    - ⭔Campagne-lès-Guines
    - ⭔Coquelles
    - ⭔Coulogne
    - ⭔Escalles
      - Cap Blanc-Nez
    - ⭔Fiennes
    - ⭔Fréthun
    - ⭔Guemps
    - ⭔Guînes
    - ⭔Hames-Boucres
    - ⭔Hardinghen
    - ⭔Herbinghen
    - ⭔Hermelinghen

France

Hauts-de-France
- Pas-de-Calais
  - Calais
    - ⭔Hocquinghen
    - ⭔Landrethun-lès-Ardres
    - ⭔Les Attaques
    - ⭔Licques
    - ⭔Louches
    - ⭔Marck
    - ⭔Muncq-Nieurlet
    - ⭔Nielles-lès-Ardres
    - ⭔Nielles-lès-Calais
    - ⭔Nortkerque
    - ⭔Nouvelle-Église
    - ⭔Offekerque
    - ⭔Oye-Plage
    - ⭔Peuplingues
    - ⭔Pihen-lès-Guînes
    - ⭔Polincove
    - ⭔Recques-sur-Hem
    - ⭔Rodelinghem
    - ⭔Ruminghem
    - ⭔Saint-Folquin
    - ⭔Saint-Omer-Capelle
    - ⭔Saint-Tricat
    - ⭔Sainte-Marie-Kerque
    - ⭔Sangatte
    - ⭔Sanghen
    - ⭔Vieille-Église
    - ⭔Zutkerque

Other Regions, Features and Areas that Intersect

Eurasian PlateTectonic Plate

Rheno-Hercynian BeltOrogenic Belt

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

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Detailed Mineral List:

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List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Fossils

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Localities in this Region

Other Regions, Features and Areas that Intersect

Calais, Pas-de-Calais, Hauts-de-France, France i
Regional Level Types
Calais Arrondissement
Pas-de-Calais Department
Hauts-de-France Region
France Country