Editing Jurassic, Tertiary and Quaternary around Great Ayton and Roseberry Topping, Cleveland Hills - an excursion

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The quarry here is large and has been worked as a source of good building sandstone from one of the Middle Jurassic channel infills (Saltwick Formation). The importance of this quarry is in its superb illustration of quarrying methods and stone dressing (possibly 18th and 19th century). Only the thick beds (3–6 m) of best-quality stone have been worked; the overburden of poor-quality, inter-channel, soft, silty sandstones with coal lenses having been ignored or scraped off. The massive sandstones (cross-bedded in places) seem to have been worked without the use of explosives, and many of the remaining working faces show extensive tool marks produced when levering out the blocks. This quarry seems to have been abandoned in production and many half-dressed blocks of ashlar can be seen, with the possible remains of stone-based working tables (bankers). The dressed ashlar blocks have the characteristic chevron finish as seen in Great Ayton and elsewhere in Cleveland and the North York Moors. Fine views of Lonsdale and the Esk valley may be had from the quarry top.
 
The quarry here is large and has been worked as a source of good building sandstone from one of the Middle Jurassic channel infills (Saltwick Formation). The importance of this quarry is in its superb illustration of quarrying methods and stone dressing (possibly 18th and 19th century). Only the thick beds (3–6 m) of best-quality stone have been worked; the overburden of poor-quality, inter-channel, soft, silty sandstones with coal lenses having been ignored or scraped off. The massive sandstones (cross-bedded in places) seem to have been worked without the use of explosives, and many of the remaining working faces show extensive tool marks produced when levering out the blocks. This quarry seems to have been abandoned in production and many half-dressed blocks of ashlar can be seen, with the possible remains of stone-based working tables (bankers). The dressed ashlar blocks have the characteristic chevron finish as seen in Great Ayton and elsewhere in Cleveland and the North York Moors. Fine views of Lonsdale and the Esk valley may be had from the quarry top.
  
Leave the quarry by the rutted trackways that skirt the hill to the southwest. Pass by a very large Iron Age ditched rectangular enclosure and a smaller enclosure nearby [NZ 599 133]. This pathway also passes a smaller sandstone quarry at [NZ 595 112] (other sandstone quarries may be seen above the car park at [NZ 592 111] and [NZ 591 109].
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Leave the quarry by the rutted trackways that skirt the hill to the southwest. Pass by a very large Iron Age ditched rectangular enclosure and a smaller enclosure nearby [NZ 599 133]
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This pathway also passes a smaller sandstone quarry at [NZ 595 112] (other sandstone quarries may be seen above the car park at [NZ 592 111] and [NZ 591 109].
  
 
=== Locality 9 [NZ 594 112]-[NZ 594 111] ===
 
=== Locality 9 [NZ 594 112]-[NZ 594 111] ===

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