ON PHOTOGRAPHS OF GEOLOGICAL INTEREST. 



3or 



Photographed by A. W. Coysh, B.Sc, 15 Belluton Road, Knowle, Bristol. 



H X 21 



6567 (2) ' Fossil Forest,' Lulworth . Tufa burr round tree-stump. 1925. 



6568 (4) White Nothe, near Lulworth . UnderclifE of slipped Upper Cretaceous. 



U925. 



Durham. — Photographed by Stanley Smith, M.A., D.Sc, Haughton-le- 



Skerne, Darlington. 1/4. 



6569 Buckhead Quarry, Cockfield . Natural coke in contact with andesite. 



Essex. — Photographed by the late T. W. Reader and presented by F. W. 



Reader. 1/4. 



6570 Wenden Mill, Audley End . . River loam overlying chalky gravel. 



1911. 



6571 Abbey Farm, Audley End . . Mass of cemented gravel (calcrete). 1911. 



6572 Abbey Farm, Audley End . . Mass of cemented gravel (calcrete). 1911. 



6573 Saffron Walden, near Seward's end Boulder Clay with Chalk blocks. 1911. 



6574 Saffron Walden, near Seward's end Boulder Clay with Chalk blocks. 1911. 



River gravel on Thanet Sand on Chalk. 



1910. 



6575 Grays Thurrock 



6576 Grays Thurrock 



6577 Grays Thurrock 



6578 Grays Thurrock 



6579 Grays Thurrock 



River gravel on Thanet Sand on Chalk. 



1910. 

 Sarsens left behind after removal of 



gravel. 1910. 

 Mammillated surface of Sarsen Stones. 



1910. 

 Mammillated surface of Sarsen Stones. 



1910. 



Gloucestershire. — Photographed by the late T. W. Reader and presented 



by F. W. Reader. 1/4. 



6580 (1) Avon Section (rt.), CUfton, N. Section O.R.S. to Bryozoa bed. 1919. 



end 



6581 (2) Avon Section (rt.), Clifton . Bryozoa bed (a), near view. 1919. 



6582 (3) Avon Section (rt.), Clifton, Sea Section K^—Zj. 1919. 



WaUs 



6583 (4) Avon Section (rt.). Clifton, Section (8— Z,. 1919. 



Black Rock Quarry 



6584 (5) Avon Section (rt.), Clifton, Section Z^— Cj. 1919. 



Black Rock Quarry 



6585 (6) Avon Section (rt.), Chfton, Section Zi—Ci- 1919. 



Black Rock Quarry 



6586 (V) Avon Section (rt.), Clifton . S. end of Black Rock Quarry (y overlain 



by laminosa dolomite). 1919. 



6587 (8) Gully Quarry, Avon Section, Caninia dolomite (Cj) on Caninia oolite 



CUfton (Ci). 1919. 



6588 (9) Avon Section (rt.), Clifton . Section Caninia oolite (C,) to Sj. 1919. 



6589 (10) Avon Section (rt.), Clifton . N. End Great Quarry (Si). 1919. 



6590 (11) Avon Section (rt.), Clifton . Sj section N. end Great Quarry. 1919. 



6591 (12) Avon Section (rt.), Clifton 



6592 (13) Avon Section (rt.), Clifton 



6593 (14) Avon Section (rt.), Clifton 



Overthrust, N. end of Great Quarry. 



1919. 

 Overthrust, N. end of Great Quarry. 



1919. 

 Sa section, middle and S. part of Great 

 "Quarry. 1919. 



6594 (15) Avon Section (rt.), Clifton, S. Smoothed, ? slickensided surface. 1919. 



end Great Quarrv 



6595 (16) Avon Section (rt.), Clifton . S. end Great Quarry, S, and Dj. 1919. 



6596 (17) Avon Section (rt.), Clifton . Dj beds. 1919. 



x2 



