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Warden Point, Isle of Sheppey, Swale, Kent, England, UK

This page kindly sponsored by Sussex Mineral & Lapidary Society
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Latitude & Longitude (WGS84): 51° 24' 50'' North , 0° 54' 23'' East
Latitude & Longitude (decimal): 51.41389,0.90639
GeoHash:G#: u10skxs58
UK National Grid Reference:TR021724
Other regions containing this locality:South-East England Sedimentary Area, UK
Locality type:Point
Köppen climate type:Cfb : Temperate oceanic climate


Eocene clay is the host rock, forming rapidly-eroding cliffs and mud-flows onto the beach. Gypsum crystals can be found embedded in the clay, the best places to find these are in the mud flows, where the mud has caked, it is easy to see the crystals poking out. They are quite easy to find, although some of them have trapped mud particles within, which makes them look dirty even when you have cleaned them as much as you can! The other mineralogical find here is the 'barite roses' - balls of barite crystals that form within the cracks of phosphate-rich nodules. The nodules are found either in situ within the clay (but it can be very dangerous going near or up the cliffs), or more easily in the boulder fields on the beach as shown in the photographs. It is best to walk west along the beach, until you go around the headland seen in the photos, you can see boulders strewn around, and some collapsed WW2 gun emplacements. Going beyond this point is the best place for the barite, but BE VERY CAREFUL OF THE TIDES and make sure you allow yourself enough time to get back. Also be warned - you will get covered in mud!
The best crystals are found in boulders which have a brick-red outer colour. Hit with a hammer, the boulder should shatter instantly if the inside contains sizeable cracks. If it doesn't shatter immediately - move on - there will be nothing inside it, and you'll just be wasting your energy.


Mineral List


5 valid minerals.

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

Eocene
33.9 - 56 Ma



ID: 3192865
Cenozoic sedimentary rocks

Age: Eocene (33.9 - 56 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]

Eocene
33.9 - 56 Ma



ID: 3133449
Eocene claystone

Age: Eocene (33.9 - 56 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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