P 



n 



Upper Shell-Limestones 



Bedded, powdeiy, fossiliferous 



Bedded, slightly segregated ... 



Bedded rock, associated with 

 23 &24 



Bedded, porous, fossiliferous... 



Coarse-grained oolite 



Shell-Limestone Conglomerate. 



Gasteropod reef -bed 



Hard compact Shell - Lime- 

 stone 



Porous friable Shell - Lime- 

 stone 



Hard irregular segregations ... 

 Powder associated with the above 



Coarse residue in the above . . . 



Powder associated with 32 .. 



Coarse residue in the above ... 



Calcareous Shell- 

 L imes t ones. 



Hard, ciystalline, fossiliferous. 



Similar, partly decalcified 



Hard, white, dense (dolomitic), 



Dark brown, partly decalcified. 



Lower Shell-Limestones, 



Crinoid-stems (dolomitic) 



Powdery material in cells 



Calcareous matrix of the above. 

 Very fossiliferous Shell Lime 



stone 



Similar, with different fossils 

 Shell-substance of a Productus 

 Shell-substance of an Area 

 Hock filling a Produchis-shell. 



Sulphate-bearing 

 Magnesian Limestones. 



Very hard, compact, with 

 anhydrite 



Dark grey, with gypsum 



Middle bedded on 

 Eastern side of Reef. 



Thinly-bedded, soft, porous 



Powder in cavities 



Calcareous matrix of the above 

 Thinly - bedded, compact 



(Lower) 



Soft, white, well-bedded ... 

 Soft, yellow, well-bedded ... 

 Calcareous segregations 



M id die bedded on 

 Western side of Reef. 



Yellow, bedded, fossiliferous . 

 Yellow, bedded, fossiliferous . 



Very friable, oolitic 



Very friable, non-oolitic 





"3 •- 5j 

 O 



23 

 24 



25 



26 

 27 

 28 

 29 



30 



31 

 32 

 33 

 34 

 35 

 36 



37 



38 

 39 



40 



41 

 42 

 43 



44 

 45 



46 



47 

 48 



49 

 50 



51 

 52 

 53 



54 

 55 



56 



57 



58 

 59 

 60 

 61 



o a 



If 



S.C. 

 S.D. 

 S.D. 

 S.D. 

 S.D, 



S.D 



S.C. 



S.D. 



S.C. 



S.C. 



05 ~ 



^3 



i— < K 

 O <U 



2tf 



0'31 

 0-27 



0-74 

 0*21 

 057 

 0-29 

 0-22 



0-47 



0'20 

 0-08 

 1-14 

 2-28 

 1-92 

 0-50 



o-io 



0'19 

 0-24 



0-28 



3*65 

 2-41 

 2-04 



0-45 

 1-71 

 0-11 



0-28 

 1-45 



1-93 

 2-32 



2-31 

 2'55 

 2-69 



0-43 

 1-99 

 3-14 

 2-35 





0-05 99-90 

 11-41 87'73 



1-06 



1-55 



23-50 



o-oo 



1-93 



98-71 

 98-66 

 7573 

 99-91 

 97-90 



3-68 95-12 



2-83 

 92-61 



0*46 

 41-34 



2-14 

 82-25 



89 03 

 2-62 



3-13 

 4-52 

 3-91 

 0-24 

 3-01 



2-30 



2-35 



0-46 



0-58 



65-50 



0-16 0-21 



0-05 1-65 



0-02 1 3*80 



0'12 207 



97-57 

 7-42 

 97-94 

 55-68 

 95-05 

 17-80 



96-27 333 



394 

 96-41 



84-35 900 



0-10 ' 95-97 



2-39 95-35 



87-31; 11-12 



96-25 

 94-15 



95-88 

 98-68 

 94-57 



1 3 



-I 5 -S3 



-2 >> = •£ 



o3 



2^ 



tr. 

 0-71 



0-06 



o-ii 



tr. 

 tr. 

 0-09 



tr. 



0-16 

 0-29 

 tr. 

 0-34 



tr. 

 tr. 



tr. 



t,l 



033 

 0-18? 



0-14 

 0-14 

 tr. 

 tr. 



tr. 



0-02 70-44 



Ajnhydrite 



86-53 



3-40 94-33 



0-22 97-39 



63-43| 3395 



97-19 

 96-91 

 96-08 

 3194 



99-89 

 98-42 

 96-49 

 98-03 



27-85 

 Gypsum 

 7-58 



tr. 



o-io 



0-07 

 0-02 



0-25 

 0-39 



0-23 

 023 

 0-39 

 0-17 

 0-44 



037 



0-28 

 0-13 

 0-69 

 111 

 1-04 

 034 



0-78 

 Mn0 2 

 7-00 

 0-63 

 MnOo 

 6-67 



0-32 

 0-65 

 0-45 



0'30 

 0-47 



0-28 

 0-56 

 0-67 



Locality. 



~ 



Hesleden Dene. 



Castle Eden Dene. 

 | Blackhall Rocks. 



Ryhope. 



Easington 

 Colliery. 



•TunstallHill. 

 Beacon Hill. 



Claxheugh. 



") Ford Quarry, 



) Claxheugh. 



1 



[Blackball Colliery 

 [ Sinking:. 



J 



0-75 



0-83 



0-46 

 041 



0-78 



0*83 

 0-38 

 061 

 0-26 



0-12 

 0-41 

 057 

 0-36 



Cement-Works 



boring, 

 Hartlepool. 



! ! Trow Rocks, 



South Shields. 



J 



/ Coast near 



C Horden Bum. 



Castle Eden Dene. 

 Haswell. 



