slide 106 Wealdon Fe Grit Durdle Door Cove ppl x 50 MRH

slide 91 Pisolite Bed Arkell's Bed 4 Osmington Mills xpl x 10 PB

Oncoids> 2mm diam with uneven outer surface unlikely in ooids.  Compound oncoid top left

slide 100 Osmington Oolite Arkell's Bed 6 Bran Point Osmington Mills ppl x 50 MRH

Ooids, superficial ooids and gastropod nucleii with both transverse and vertical sections in sparite cement

sub-rounded-angular quartz with amorphous glauconite mud pellets in poor Fe cement

slide 109 Upper Greensand Durdle Door Cove ppl x 15 MRH

Foraminiferans with green glauconite.

Foraminiferan in fine sparite/micrite matrix.

slide 111 Upper Greensand Durdle Door Cove xpl x 90 PB

slide 116 Salt pseudomorph Bed, Lower Purbeck, East of Lulworth Cove ppl x 30 PB

Faecal pellets

& flakes of micrite crusts.

slide 95 Osmington Oolite, Arkell's Bed 1 West of Bran Point, Osmington Mills ppl x 50 MRH

Ooids and superficial ooids

slide 99 Osmington Oolite, Arkell's Bed 1, West of Bran Point, Osmington Mills xpl x 30 PB

Ooids and superficial ooids

slide 103 Pink lignite sandstone, Wealden Beds, 25 yds N base of steps, Durdle Door Cove, ppl x 50 PB

Uncompacted subrounded - subangular quartz grains.

Degraded lignite particles replaced with clay minerals

& or silica cement - ?"

Uncompacted subrounded - subangular quartz grains.

Degraded lignite particles replaced with clay minerals

& or silica cement - ?"

slide 104 Pink lignite sandstone, Wealden Beds, 25 yds N base of steps, Durdle Door Cove, xpl x 50 PB

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