Download - British Geological Survey
Download - British Geological Survey Download - British Geological Survey
P 305 1 . 00 ,/’ 51 41 FIG.27: Contoured greyscale plot o lead in stream sediment
Table 3 Summary of analytical results in ppm for 399 stream sediment, water and panned concentrate samples Variable Median Mean Standard deviation Sediments CU 25 Pb 60 Zn 200 Ba 321 Fe% 5.56 Mn 2720 co 41 V 100 Cr 61 Ni 57 Zr 201 MO 1 Sn
- Page 1: _ . .._ - -- c- -2 - - _.a Natural
- Page 5: This report relates to work carried
- Page 8 and 9: CONTENTS Summary 1 Introduction 1 G
- Page 10 and 11: .::. ,... . :.:...:.>. ,.>:.:.:.. .
- Page 12 and 13: 1978; Brenchley and Pickerill, 1980
- Page 14 and 15: m 40. 3-J- 2s- /o 0 I. 4 0 . 4 (
- Page 16: 63 3 Fig. 7; Aeromagnet ic map Qf t
- Page 19 and 20: INE AA’ FIG 7 f3F BALA FAULT 1OnT
- Page 21 and 22: I t t t t I a I 1 a t 1 a a 1 I 1 t
- Page 23 and 24: Fig. 13: Oistribution of cerium in
- Page 25 and 26: 39 38 // 2 f +CYNWYD As 30 NI 62 Cu
- Page 27 and 28: The main feature is a magnetic high
- Page 29 and 30: 7 / I 03 0 Reconnaissance sample si
- Page 31: PT Permotrias C Carboniferous S Sil
- Page 35 and 36: PT Permotrias C Carboniferous S Sil
- Page 37 and 38: f . I PT Permotrias C Carboniferous
- Page 39 and 40: samples chalcopyrite was identified
- Page 41 and 42: PT Permotrias C Carboniferous S Sil
- Page 43 and 44: PT Permotrias C Carboniferous S Sil
- Page 45 and 46: . Table 5 Threshold levels and clas
- Page 47 and 48: T Permotrias Z Carboniferous 5 Silu
- Page 49 and 50: T Permotrias C Carboniferous S Silu
- Page 51 and 52: trials for slate. Analysis of a qua
- Page 53 and 54: ST Permotrias l3C Caradoc 335 oc I
- Page 55 and 56: levels in sediments from the same s
- Page 57 and 58: PT Permotrias C Carboniferous S Sil
- Page 59 and 60: T Permotrias Carboniferous Silurian
- Page 61: makes little direct contribution. T
- Page 64 and 65: main contributor I& a sample collec
- Page 66: - and SMITH, R., T. ,1975. A compar
- Page 71: Road Stream with sample site CAR~IF
- Page 77: , 4’3 35 3” 25 20 08 I ,\ ‘\
P<br />
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1 .<br />
00 ,/’ 51 41<br />
FIG.27: Contoured greyscale plot o<br />
lead in stream sediment