The rock has been deformed and veined with quartz. He commented more specifically on the Budleigh Salterton pebbles. " They are in dry condition and, as such, do not show the details well for identification. The well-known beach of Budleigh Salterton is well-known. Notice that the lamination is the original bedding of the sandstone which was lithified by quartz cementation to a quartzite. Well on the Jurassic Coast you can… if you know where to look. Initially a ferry boat was used to connect Portland to the mainland, until the first bridge was constructed in 1839. Towards the northern end, the shingle becomes much smaller The beach curves sharply at the eastern end, near the village of The origin of Chesil Beach has been argued over for some time.There have been many shipwrecks on Chesil Beach, particularly during the The local fishermen, particularly at Portland, developed a purpose-built vessel to withstand the sea actions of Chesil Beach. There is rarely twinning but there may be colour zoning. Large salt pans were situated at the lower section of the river Otter, the monks at the Otterton Priory holding the rights to this important enterprise. The Budleigh Salterton Pebble Beds are magnificently exposed in the cliffs west of the town and have been discussed by The pebbles on Chesil Beach are graded in size from potato-sized near Portland to pea-sized at Bridport and are made up of mainly flint and chert from the Cretaceous and Jurassic rocks, along with Bunter pebbles from Budleigh Salterton. In the battered Chesil Beach pebbles it is unlikely that good large crystals will be seen and in most cases the tourmaline has a blackening effect and is associated with quartz which gives the pebbles sufficient resistance for survival in this harsh environment. Tourmaline is abundant associated with the Hercynian granite batholiths of Devon and Cornwall, such as Dartmoor, Bodmin Moor and Lands End etc. Additionally access to the Fleet slope of the beach from Wyke to Abbotsbury is not permitted at any time in effort to protect and conserve the delicate environment. A former "Chesil Beach" existed in the Bournemouth and adjacent region during Eocene times, about 40 million years ago.

The Budleigh Salterton (Bunter) quartzites are valuable indicators of provenance. Most of the seaward blocks have been destroyed, but the parallel lines of blocks on the landward side still survive in good condition.The portion of the beach to the east of the anti-tank division in front of Fleet Lagoon had no passive defences against a landing, whereas the beach to the west was protected with miles of Large chert and flint shingle near the Portland (southern) entrance to beach Various tourmalinised rocks, red and black chert, vein quartz, etc., have been identified with the Palaeozoic rocks of Cornwall; many of them may have come like the flints, out of Tertiary gravels You will see that metal has come from the knife but that the stone is unscratched. Arkell noted that " there at present a much higher proportion of quartzite pebbles in the coarse-graded part of the Chesil Beach from Small Mouth to Chesilton than in the Raised Beach. Field trips shown in photographs do not necessarily have any connection with Southampton University and may have been private or have been run by various organisations. It often occurs in southwest England and elsewhere as large elongate prismatic crystals (trigonal), often occurring in radiating clusters. It is a pebble beach 18 miles long and stretches north-west from Portland to West Bay. They have been found just southeast of the old tank defences. If you look at the images carefully you will notice that in two cases there is some small-scale cross lamination.

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