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This walk: 2012-2-29. A walk led by Simon Dell MBE (Dartmoor Guide) on the slopes of Middle Staple Tor looking at granite working including the sett makers' bankers.

Walk details below - Information about the route etc.

Link to granite.

An introduction to sett maker's bankers, where stone workers knelt or crouched at these low benches, fashioning granite setts (cobble stones) that were used in making the streets of Plymouth, Tavistock and other places. This was an industry that flourished for about fifteen years from the 1870's, although some authorities state from 1850-1860. Setts can still be seen in many of the old back lanes of Tavistock and Plymouth.

A wind-shaped hawthorn tree.

Double bankers at SX 54048 75292, where the men would have knelt with their knees against the low bench, with the stone chippings flying towards the rocks behind.

The small chippings and shards of granite form piles that are often covered by English Stonecrop ..... but this is a nearby sphagnum moss!

Close-up of the leaves.

Nearby was a wet patch with some sphagnum moss (unidentified).

Explaining that this area is the border between the granite and other surrounding "country rocks": according to the National Park "Geology and Landforms" fact sheet this is the area where the Carboniferous period granite meets Upper Devonian period slates and volcanics.

Another example of granite : border rock .....

As previous photo, or is it a dinosaur jaw?!

Zoomed view through the mist to Vixen Tor.

A banker with a lot of discarded rubble behind it - one of a bank of four bankers at SX 54089 75260, labelled "4444" on the map below ....

It might have been a convivial occupation in good weather?

Another view.

For shelter from bad weather, shelters known as "shakers" were sometimes built from stone that was to hand.

A nearby shelter .....

The walls have collapsed in on two bankers inside the shelter.

A pair of back-to-back bankers (SX 54065 75364) where a man could face either way depending on the weather, or maybe the sun?

Feather and tare marks from where the rock has been split into smaller pieces prior to being cut again by lesser mortals who supported the sett makers.

A single banker, where the left support has toppled?

Another shelter or "shaker", possibly at SX 54068 75358 (there was a shaker at this location but we saw several and my records aren't perfect!).

A large triangular rock, one of several that lead directly towards Little Mis Tor (seen on the sky line towards the right, in the mist.

A banker where long kerb stones were made, SX 54189 75361.

Another Little Mis Tor pointer stone, possibly placed by man because of the presence of a small rock pan beneath this stone which probably wouldn't have formed if the pan area was always covered by the stone being there naturally .....

The rock pan underneath the triangular stone .....

The top of the stone shows yellow lichen, a sign of alkaline conditions resulting from birds using the stone as a perch. Their droppings would change the naturally acidic conditions to more alkaline, encouraging different (and yellow) lichens.

A large stone, split in one axis only, others have a number of splits.

Looking back.

Looking up at Middle Staple Tor.

A pair of bankers.

View to Great Mis Tor, SX 562 769, elevation 538 metres (1765 feet) with Little Mis Tor at right (elevation 480 metres; 1574 feet).

Middle Staple Tor, SX 5403 7564, elevation 431 metres (1414 feet).

Group of three bankers, the site for a grooup photograph .....

Group photograph, with a certain book being referred to again!

My simple maximum zoom to a skylark!

Another example of the border between granite and another rock.

A mini cliiter from a sett maker.

More evidence of sett making.

A sett maker's shelter.

A banker inside the shelter where the walls have fallen in.

Yet another example of the boundary between granite and other rock.

Pointer stone to Little Mis Tor.

Zoomed view to King's Tor, SX 556 739, elevation 390 metres (1279 feet), with the rubble heaps ofSwelltor Quarries behind, at right.

A single sett maker's banker complete with discarded chippings behind.

An unidentified white fruticose lichen .....

Close-up of the lichen.

Granite / quartz formation - phenocryst = a conspicuous crystal formation, generally indicative of slow cooling in the magma that forms this igneous rock.

As previous photo. This also looks like a pegmatite quote: ... "a very coarse grained igneous rock that usually occurs in dikes (seams of rock that cut across the main country rock) or lenses (pods of coarse-grained igneous rock included in other rocks).  Pegmatites can be from a few inches to hundreds of feet thick.  What makes many people interested in pegmatites is the fact that many exotic and important minerals, including many gemstones, are found in them."