Pencil in centre marks approximate contact of  sill with underlying limestone on one side of the quarry

The leader is pointing out the contact of  the sill with the underlying shale on the opposite side.

The photo shows some minor faults within the shale underlying the sill.

The photo shows the sill transgressing dyke like the country rock above the man's head.

Enigmatic cup and ring marks are seen on the photo's above and on the right.

Looking down into Tosson Lime Kiln

View of Tosson Lime Kiln from above.

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