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Penarth, Vale of Glamorgan: Geology

Description

Picture: 1
Penarth Front

Fault in Rhaetic South of Penarth. Downthrow of 3 foot on South (left). Back not quite vertical. 16/11/68

Date: 16/11/1968

Picture: 2

Red and white gypsum or 'alabaster' CaSO4 2H2O Penarth Head. Precipitated from Trias desert lake. Vein in tea green marls rep. by nodules further West. 1968

Date: 1968

Picture: 3
Penarth Head and pink gypsum or alabaster CaSO4 2H2O

Pink alabaster of red trias clif, Penarth head, June 2001

Date: June 2001

Picture: 4
Penarth Head and pink gypsum or alabaster CaSO4 2H2O

Satin spar gypsum fibrous. From red/white strata. Penarth Head 1968

Date: 1968

Picture: 5
Penarth Head and pink gypsum or alabaster CaSO4 2H2O

White and pink gypsum from Trias sedimentaries of Penarth Head, 28/09/68

Date: 28/09/1968

Picture: 6
Views from Penarth Head and over Cardiff Bay

Double fault. Cliff east of Lavernock Point. August 1978

Date: August 1978

Picture: 7
Lavernock Geology cliff and beach platform shale bands and clay mud

Appearance of mortar in Lias east of St Marywell Bay. 1978

Date: 1978

Picture: 8
St Marywell Bay, Swanbridge

Dry erodible Rhaetic white lias. Little vegetation. St Maryswell Bay. January 1983

Date: January 1983

Picture: 9

Chunk of fallen tufa on beach showing honeycomb. St Mary's Well bay. January 1983

Date: January 1983

Picture: 10
St Mary's Well Bay. Rhaetic cliff in centre, Tufa

Fossil oysters abundant in lias boulders. St Mary's Well Bay. January 1983

Date: January 1983

Picture: 11
St Mary's Well Bay. Rhaetic cliff in centre, Tufa

Marine ripples blue lias. East end St Maryswell Bay. January 1983

Date: January 1983

Picture: 12
St Mary's Well Bay. Rhaetic cliff in centre, Tufa

Lias/Rhaetic/Triassic pebbles. West St Mary's Well bay. January 1983

Date: January 1983

Owner:
South East Wales Biodiversity Records Centre (SEWBReC)
Creator:
Dr Mary Gillham
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Copyright Details:
Dr Mary Gillham 2017
Item uploaded:
27/11/2017
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