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Stratigraphy / Harris matrix templates

Earth Science — London Basin Stratigraphy

The Cenozoic fill of the London Basin.

Template previewStratigraphy / Harris matrix
London Basin (Cenozoic)Made ground / alluviumHolocene0.00 mRiver Terrace GravelsPleistocene0.30 mBagshot FormationEocene0.80 mLondon ClayEocene1.60 mHarwich FormationEocene3.60 mLambeth GroupPaleocene4.00 mThanet SandPaleocene4.70 mChalkCretaceous5.30 m6.80 m31 million years missing8 layers, 6.80 m, every contact the right way up — and 1 unconformity, the largest 31 million years.31 million years are missing between `Bagshot Formation` and `River Terrace Gravels`: the lower layer ends long bef…

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title "London Basin (Cenozoic)"
type column
layer "Made ground / alluvium" thickness 0.3 color "#9ca3af" age "Holocene"
layer "River Terrace Gravels" thickness 0.5 color "#d6bea0" age "Pleistocene"
layer "Bagshot Formation" thickness 0.8 color "#f0d9a8" age "Eocene"
layer "London Clay" thickness 2.0 color "#5b6b4a" age "Eocene"
layer "Harwich Formation" thickness 0.4 color "#8a7a5a" age "Eocene"
layer "Lambeth Group" thickness 0.7 color "#a98a6a" age "Paleocene"
layer "Thanet Sand" thickness 0.6 color "#e0c890" age "Paleocene"
layer "Chalk" thickness 1.5 color "#eef2f7" age "Cretaceous"