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The Bingham Oil boreholes - a journey back in time to Bingham's ancient landscapes

Drilled in the early 1960s on farmland immediately to the east of the town, these boreholes penetrated nearly 1 kilometre below the surface in the search for oil and gas. Neither resource was found in economic quantities, but the boreholes did yield a huge amount of data on Bingham's geological past.

Depth below ground (in metres)


surface

 

 

 

 

210m

 

 

 

 

 

330m

 

 

 

 

 

 

 

 

830m

 

 

 

 

940m

950m

How old?
(millions of years)
Geological Period Rock formations

220

 

 

240

TRIASSIC

MERCIA MUDSTONE

Reddish brown mudstone with thin beds of greenish grey siltstone and nodules of gypsum (calcium sulphate)

250

260

SHERWOOD SANDSTONE
Brown and red sandstone with pebbles
PERMIAN
310
CARBONIFEROUS
COAL MEASURES
Grey mudstone and sandstone with seams of coal and beds of volcanic lava and ash
320
MILLSTONE GRIT
'Gritty' sandstone and grey mudstone
330
CARBONIFEROUS LIMESTONE
pale grey limestone

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