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Peak Hill, Sidmouth, East Devon, Devon, England, UKi
Regional Level Types
Peak HillHill
Sidmouth- not defined -
East Devon- not defined -
EnglandConstituent Country

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Latitude & Longitude (WGS84): 50° 40' 21'' North , 3° 15' 34'' West
Latitude & Longitude (decimal): 50.67257,-3.25965
GeoHash:G#: gcj8mbdmh
UK National Grid Reference:SY110867
Locality type:Hill
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
Sidmouth12,569 (2018)2.5km
Otterton656 (2018)3.0km
Colaton Raleigh363 (2018)3.4km
Newton Poppleford1,715 (2018)4.0km
East Budleigh650 (2018)4.8km

Barite is found in calcite nodules in boulders resulting from cliff falls.

Previously though to be celestine from 19th century reports, investigations, including contemporary accounts and museum specimens said to be celestine, have shown most of the so-called celestine came from the area around Peak Hill and to be barite.

Regions containing this locality

Eurasian PlateTectonic Plate
British IslesGroup of Islands

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

2 valid minerals.

Detailed Mineral List:

Formula: BaSO4
Habit: Tabular with large c (0.0.1) faces
Colour: Honey brown, colourless, pale blue
Fluorescence: Yellow fluorescent under short and long wave also phosphorescent
Description: Visual identification and XRD analysis used.
Reference: UK Journal of Mines and Minerals 2003 No23 p27-35
Formula: CaCO3
Habit: Trigonal
Colour: White like quartz.
Reference: Martin Allen collection

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
Group 7 - Sulphates, Chromates, Molybdates and Tungstates

List of minerals arranged by Dana 8th Edition classification


List of minerals for each chemical element

C CalciteCaCO3
O BaryteBaSO4
O CalciteCaCO3
S BaryteBaSO4
Ca CalciteCaCO3
Ba BaryteBaSO4

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

Late Cretaceous
66 - 100.5 Ma

ID: 3191056
Mesozoic sedimentary rocks

Age: Late Cretaceous (66 - 100.5 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Triassic - Permian
201.3 - 298.9 Ma

ID: 3161966
Permian claystone

Age: Phanerozoic (201.3 - 298.9 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


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- Corrie, K., and Green, D. (2003): The Barite and Supposed Celestine from the Triassic Mudstone of Sidmouth, Devon. UK Journal of Mines and Minerals 23.

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