. Bulletin of the British Museum (Natural History), Geology. 260 R. WATKINS Section 5F. 2*7 m of strata measured in small exposures in both E and W banks of Perton Lane imme- diately NW of farmhouse at Copgrove, SO 59643964. This section is in the Lower Bringewood Beds, and samples 5F1-5F3 were collected. Section 5G. 7*4 m of strata measured in small cutting and other limited exposures in W bank of lane between Tower Hill and Wootton, at a bend in lane at SO 59253950. This section is shown as loc. 7 by Curtis et al. (1967 : fig. 5). Sample 5G1 was collected from the Lower Bringewood Beds and 5
. Bulletin of the British Museum (Natural History), Geology. 260 R. WATKINS Section 5F. 2*7 m of strata measured in small exposures in both E and W banks of Perton Lane imme- diately NW of farmhouse at Copgrove, SO 59643964. This section is in the Lower Bringewood Beds, and samples 5F1-5F3 were collected. Section 5G. 7*4 m of strata measured in small cutting and other limited exposures in W bank of lane between Tower Hill and Wootton, at a bend in lane at SO 59253950. This section is shown as loc. 7 by Curtis et al. (1967 : fig. 5). Sample 5G1 was collected from the Lower Bringewood Beds and 5G2-5G7 from the Upper Elton Beds. Section 5H. 7-6 m of strata measured in E bank of lane between Tower Hill and Wootton at SO 59223940. This section is in the Upper Elton Beds, and samples 5H1-5H7 were collected. Section 51. 38*6 m of strata measured in E bank of lane between Tower Hill and Wootton, between SO 59223935 (top of section) and SO 59233918 (base). These exposures are interrupted by the drive into Tower Hill Cottage (which is not actually on Tower Hill). The section is in the Middle Elton Beds, and samples 511-5129 were collected. Appendix 2. Reliability of faunal sampling Definitions and procedures As discussed earlier, density measurements are not adequate for standardization of palaeontological samples from a variety of sedimentary facies, and counts of numbers of individuals (as defined in methods section, pp. 178-9) have been used for this purpose. Samples processed for this project represent a variety of rock volumes and vary in content from 10 to 700 individuals. In the following discussions, 'sample size' refers exclusively to the number of individuals per sample. Representative sample sizes are given in Appendix 3, Tables 17-20. Most samples contained 50-75 _B i 1 i LU D 100 200 o_ LL o i .c i i I - _ i i i i i i _ l= -e ..........."-â¢â ââ¢â¢: _l o° °° Z> " ° 2 _;°°. 100 20 200 300 400 500 J L 600 ⢠10
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