slide 43 Basal Shell Bed, bottom of unit,  Freshwater Cove Portland ppl x 60 MRH

scroll down the page for 18, 24, 25, 30, 35, 43, 56 and 71

slide 56 Portland Stone 1.2 m below top of Portland Freestone, Freshwater Cove Portland ppl x 30 MRH

slide 71 Lower Purbeck Top Cap? above Freshwater Cove Portland, ppl x 30 MRH

slide No 6 Lower Lias West of the Cobb Lyme Regis  ppl x 30 MRH

slide No 9 Lower Lias West of the Cobb Lyme Regis  xpl x 50 MRH

slide No 18 Lower Lias Birchis Tabular top of Shales with Beef west of top CP, Lyme Regis  ppl x 30 MRH

Poorly washed biosparite (50/50 sparite/micrite) & probably originally biomicrite/wackestone.

Biomicrite /wackestone (10% allochems)

shell fragments

Biomicrite /wackestone (10% allochems)

shell fragments

Serpulid worm tubes in cross section.

Micritic envelopes with sparite filled tubes.

Sparite cement.

Oosparite/ooid grainstone.

probably thin shelled ostracod fragments - pelsparite - peloids contain ostracod shells.

slide No 24 Marlstone Rock Bed, top Plienbachian Middle Lias East of Eype Mouth xpl x 50 PB

Biomicrite - wackestone / packstone (ferruginous calcilutite < 63 microns silt & clay sized carbonates)

Shell fragments: at top - micrite filled borings in bivalve shell, foraminifera & echinoid debris.

Unconsolidated specimen with angular quartz & shell sand with mica flakes, in clear matrix of fe carbonate & interstital clay.

slide 25 Bridport Sands, cliffs to east of West Bay beach ppl x 50 MRH

fe ooidal structure with limonite coating to some of the angular quartz grains.

Some quartz coating to ooid.

slide 30 Abbotsbury Iron Ore Jubilee Coppice Abbotsbury, ppl x 50 MRH

Oyster shell in quartz grains (anhedral) set in micritic cement,

see Plate 12 C in

Geology of the Dorset Coast

Prof. MRH

slide 35 Blacknore Sandstone, Tar Rocks Portland MRH

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