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Haven Cliff, Axmouth, East Devon, Devon, England, UK

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Latitude & Longitude (WGS84): 50° 42' 9'' North , 3° 3' 15'' West
Latitude & Longitude (decimal): 50.70263,-3.05438
GeoHash:G#: gcjb6qpu5
Köppen climate type:Cfb : Temperate oceanic climate


Very interesting locality. As one continues East from Axmouth along the coast, the upper sequence of the Triassic is clearly visible. Near to the top of the Triassic sequence a dark band can be traced and within this band there is another band of Orange/White Strontium rich nodular Calcite. The Calcitic band contains vugs and cavities filled with balls of strontianite and occasionally nice deep blue crystals of Celestite.
A short way above this band, there is another band of creamy, grey argillaceous marl. Within this band, there are tiny perfect octrahedrons of Galena as well as occasional Sphalerite and fine wisps of a bright green mineral yet to be identified. It is however important to remember that this location is part of a national nature reserve and therefor hammering or excavating into the cliffs is strictly forbidden

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


10 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: Paul Render
Celestine
Formula: SrSO4
Reference: Paul Render
Galena
Formula: PbS
Reference: Paul Render
Glauconite
Formula: (K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Reference: Paul Render
Gypsum
Formula: CaSO4 · 2H2O
Reference: Paul Render
Palygorskite
Formula: (Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Reference: Paul Render
Pyrite
Formula: FeS2
Reference: Paul Render
Quartz
Formula: SiO2
Reference: Paul Render
Quartz var: Chalcedony
Formula: SiO2
Reference: Paul Render
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Reference: Paul Render
Sphalerite
Formula: ZnS
Reference: Paul Render
Strontianite
Formula: SrCO3
Reference: Paul Render

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Calcite'5.AB.05CaCO3
Strontianite5.AB.15SrCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Celestine'7.AD.35SrSO4
Gypsum7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
Palygorskite9.EE.20(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Unclassified Minerals, Rocks, etc.
Glauconite-(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Smectite Group-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Strontianite14.1.3.3SrCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Celestine28.3.1.2SrSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Glauconite71.2.2a.5(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Palygorskite74.3.1a.1(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
var: Chalcedony-SiO2
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals for each chemical element

HHydrogen
H Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
H GypsumCaSO4 · 2H2O
H Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
H Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
CCarbon
C CalciteCaCO3
C StrontianiteSrCO3
OOxygen
O CalciteCaCO3
O CelestineSrSO4
O Quartz (var: Chalcedony)SiO2
O Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
O GypsumCaSO4 · 2H2O
O Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
O QuartzSiO2
O Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
O StrontianiteSrCO3
NaSodium
Na Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
MgMagnesium
Mg Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Mg Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
AlAluminium
Al Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Al Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
SiSilicon
Si Quartz (var: Chalcedony)SiO2
Si Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Si Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Si QuartzSiO2
SSulfur
S CelestineSrSO4
S GalenaPbS
S GypsumCaSO4 · 2H2O
S PyriteFeS2
S SphaleriteZnS
KPotassium
K Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
CaCalcium
Ca CalciteCaCO3
Ca GypsumCaSO4 · 2H2O
FeIron
Fe Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Fe PyriteFeS2
ZnZinc
Zn SphaleriteZnS
SrStrontium
Sr CelestineSrSO4
Sr StrontianiteSrCO3
PbLead
Pb GalenaPbS

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Cenomanian - Albian
93.9 - 113 Ma



ID: 2032433
Gault Formation And Upper Greensand Formation (Undifferentiated)

Age: Cretaceous (93.9 - 113 Ma)

Stratigraphic Name: Gault Formation; Upper Greensand Formation

Lithology: Mudstone, sandstone and limestone

Reference: British Geological Survey. DiGMapGB-625. British Geological Survey ©NERC. [23]

Early Jurassic
174.1 - 201.3 Ma



ID: 3136807
Early Jurassic claystone

Age: Early Jurassic (174.1 - 201.3 Ma)

Lithology: Claystone

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


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