Editing Middle and Upper Carboniferous rocks (Millstone Grit and Coal Measures) of the Sheffield region - an excursion

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==== Locality 5 [SK 260 814] ====
 
==== Locality 5 [SK 260 814] ====
  
At Carl Wark the Rivelin Grit may be examined and palaeocurrent directions determined. A few millstones may be seen among the boulders on the eastern slopes of the hill. Carl Wark (Earl Wark on old maps) is the site of an Iron Age Fortification (2500–2000 years old) and on the western side of the hill a 7 m wide earth rampart and a 2 m high stone wall form impressive reminders of the fort. A former entrance and stone trough (Iron Age or Roman) can also be seen and an information plaque is located near the entrance. The footpath route then continues in a north-northwest direction to Higger Tor.
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At Carl Wark the Rivelin Grit may be examined and palaeocurrent directions determined. A few millstones may be seen among the boulders on the eastern slopes of the hill. Carl Wark (Earl Wark on old maps) is the site of an Iron Age Fortification (2500–2000 years old) and on the western side of the hill a 7 m wide earth rampart and a 2 m high stone wall form impressive reminders of the fort. A former entrance and stone trough (Iron Age or Roman) can also be seen and an information plaque is located near the entrance. The footpath route then continues in a north-northwest direction to Higger Tor.
  
 
==== Locality 6 [SK 806 819] ====
 
==== Locality 6 [SK 806 819] ====
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From Higger Tor there are splendid views of Burbage Edge, Carl Wark and the form of the Burbage inlier, as well as further scarp edges of the Rivelin Grit at Over Owler Top towards the south-southwest. Note the pebbly nature of the grit and various scales of cross-bedding. The direction of transport may be measured and compared to that at the previous localities.
 
From Higger Tor there are splendid views of Burbage Edge, Carl Wark and the form of the Burbage inlier, as well as further scarp edges of the Rivelin Grit at Over Owler Top towards the south-southwest. Note the pebbly nature of the grit and various scales of cross-bedding. The direction of transport may be measured and compared to that at the previous localities.
  
The quickest way back to the car park and Locality 8 is to drop down to the road on the footpath, over steps recently constructed to combat erosion, and then turn right. However, if time permits, an additional locality may be visited at Callow Bank where the lower leaf of the Rivelin Grit is exposed. From Locality 6, cross the road after having descended from Higger Tor and take the footpath opposite. After about 40 m another path is reached; turn left and continue for some 100 m before branching off to the right and follow the contours to the prominent scarp and landslip area of Callow Bank.
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The quickest way back to the car park and Locality 8 is to drop down to the road on the footpath, over steps recently constructed to combat erosion, and then turn right. However, if time permits, an additional locality may be visited at Callow Bank where the lower leaf of the Rivelin Grit is exposed. From Locality 6, cross the road after having descended from Higger Tor and take the footpath opposite. After about 40 m another path is reached; turn left and continue for some too m before branching off to the right and follow the contours to the prominent scarp and landslip area of Callow Bank.
  
 
==== Locality 7 [SK 252 823] ====
 
==== Locality 7 [SK 252 823] ====

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