scroll down the page for 119, 120, 131, 132, 134, 135, 138, 145, 146 and 149 Click photos to return to MH3 page
slide 119 Kimmeridge Clay
Below Blackstone, Clavell's Hard ppl x 100? MRH
Below Blackstone, Clavell's Hard ppl x 100? MRHClay minerals & kerogen.
Grey areas possibly coccolith filled burrows.
slide 120 Kimmeridge Oil Shale, Clavell's Hard, Kimmeridge ppl x 50 MRH
kerogen
slide 131 Rope Lake Head Stone Band, Rope Lake Head, Kimmeridge ppl? x 90 MRH
calcite rather than ferroan dolomite?
slide 132 Rope Lake Head Stone Band, Rope Lake Head, Kimmeridge
Coccoliths 8mm = 2 microns
slide 134 Cinder Bed, Durlston Bay, Swanage ppl x 30 MRH
Fibrous calcite subparallel to length of oyster shells.
Bundles of laminae in variety of directions.
Laminae more regular in inner part of shells.
Fibrous calcite subparallel to length of oyster shells.
Bundles of laminae in variety of directions.
Laminae more regular in inner part of shells.
slide 134 Cinder Bed, Durlston Bay, Swanage xpl x 30 MRH
slide 138 Ostracod/Chara micrite, Lower Marly Freshwater Beds, Durlston Bay, Swanage ppl x 50 MRH
Chara micrite - (stoneworts)
vertical and transverse cross section
slide 145 Broken Shell Limestone, Durlston Bay, Swanage ppl x 90? MRH
Broken shell with some micritic envelopes.
Pink non-ferroan calcite with blueish staining indicating fe calcite concentrated in adjoining pore spaces of cement ?
slide 146 Broken Shell Limestone, Durlston Bay, Swanage xpl x 90? MRH
Broken shell with some micritic envelopes.
Pink non-ferroan calcite with blueish staining indicating fe calcite concentrated in adjoining pore spaces of cement ?
slide 149 Purbeck Marble, Peveril Point, Durlston Bay, Swanage ppl x 50 MRH
fe rich biosparite with gastropods - freshwater Viviparus with disarticulated ostracod shell.
