XRD results of British School at Rome stamped bricks

It occurred to me, after reading the discussion at Ancient World Bloggers about data sharing, that I had some data that – while available in some libraries – might be usefully put up on this blog. I imagine perhaps an introductory archaeological stats course might find it handy, or perhaps some lone worker on Roman stamped brick might need some comparanda. For what I did with this data, see my 2006 BAR volume, chapter 3. Incidentally, my findings with this data (from my 2002 thesis, published in 2006), fits nicely with Elisabetta Gliozzo’s findings published in ‘The Distribution of bricks and tiles in the Tiber valley: the evidence from Piammiano’ Supplying Rome and the Empire, JRA S.69, 2004.

Appendix B: XRD Peak Heights above Background for Tested SES Bricks
For mineral peaks selected and the methodology to convert peak heights (measured in mm) to semi-quantified relative amounts of minerals, see 3.3

Sample Quartz Augite Haematite Gehlenite Calcite Analcime Muscovite Dolomite Anorthoclase Sanidine Albite
se 1 58 70 14 10 34 36 105
se 2 16 83 5 43 9 23 66
se 4 89 36 17 36 70 7 14 55 61
se 5 42 94 8 10 40 65 55
se 7 20 102 9 15 10 30 85 25
se 8 50 14 10 20 75 10 56
se 10 50 60 16 20 42 48 50 45
se 13 87 25 24 30 55 19 14 13 56
se 14 32 104 9 3 20 10 40 85
se 14 38 106 12 5 17 15 47 60 65
se 16 86 28 14 50 86 25 26 22 103
se 18 38 71 17 32 3 28 95
se 19 38 92 9 50 30 100
se 20 106 41 23 23 32 16 24 96
se 21 23 100 7 11 34 105
se 22 36 106 6 40 7 42 72
se 23 26 3 124 12 12
se 26 68 33 8 18 24 23 70
se 27 45 93 17 32 3 40 75
se 28 76 44 14 33 66 14 6 65
se 29 21 95 8 7 95 7 32 50 60
se 30 82 44 12 6 6 17 35
se 36 52 90 8 43 39 95
se 37 97 48 24 33 12 22 24 20 95
se 42 56 105 11 17 40 114 90
se 45 29 92 10 5 31 55
se 47 47 110 11 20 40 88 96
se 48 41 16 7 7 80 8 12 30 35
se 50 88 22 12 17 14 17 50 50
se 51 40 110 8 10 15 10 42 84 88
se 52 84 50 13 48 60 21 26 60 55
se 53 40 115 11 27 70
se 54 35 65 11 17 20 80 40
se 56 112 53 19 33 24 102
se 57 44 92 10 15 13 32 73
se 58 38 85 6 11 30 11 40 65 55
se 60 65 88 30 64 15 25 85
se 63 109 24 20 16 79
se 65 85 40 20 20 16 23 105
se 72 30 107 3 65 29 30 40
se 85 91 64 14 9 8 16 22 30
se 89 64 41 20 9 10 12 68
se 90 112 27 23 20 23 91
se 100 22 32 11 4 6 80
se 104 36 58 9 40 54 12 5 18 92
se 106 49 104 13 33 99 39 38 55
se 107 16 21 7 50 11 6 8 16
se 108 107 64 23 52 24 63
se 110 86 30 17 74 75 16 20 26 33
se 111 17 40 15 10 15 17 42 47
se 113 39 15 6 62 108 6 35 20
se 114 83 49 15 66 97 17 62
se 116 47 55 18 53 105 5 17 61
se 136 89 11 37 104 19 26
se 141 63 40 19 33 100 15 12 53
se 144 77 10 8 43 109 11 17 11 30
se 148 37 90 51 15 9 46 75
se 151 21 20 23 2 87
se 152 53 87 8 11 84 12 22 84
se 153 75 11 10 12 13 24
se 154 33 84 10 2 8 30 66
se 155 83 46 12 15 40 24 10 26 100
se 156 47 54 10 9 21 115
se 160 45 24 27 11 90
se 163 48 23 11 40 16 15 110
se 166 90 26 9 45 17 17
se 168 117 85 18 60 10 25 22 21 100
se 170 33 23 31 11 12 117
se 171 63 26 13 46 100 13 15 25 70
se 172 107 45 31 16 76 103
se 174 30 29 34 11 109
se 176 33 55 7 2 14 10 30 85
se 177 65 36 10 13 74 10 35 70
fal 1 105 10 60 30 26 33 90
fal 2 28 63 6 120 36 24 66
fal 3 92 54 20 90 76 20 9 85
fnv13 43 87 7 30 60 15 42 60
fnv14 92 91 13 110 9 32 70
fnv15 76 25 20 100 16 24
fnv4 64 25 6 72 9 3 27
fnv5 52 94 14 4 30
fnv6 72 22 10 75 16 23
fnv8 36 108 7 63 50 35 55
fnv9 14 98 6 72 8 7 23 77
mod 1 113 55 54 15 9 98
mod 2 37 120 7 43 10 27 24
mod 3 112 22 24 71 96 12 17 62
mod 4 16 5 127 5
mod 5 52 96 10 49 9 27 53
mod 6 57 105 6 60 6 20 36
mod 7 37 38 124 16 25
mod 8 105 20 100 20 20 32
mod 9 11 3 54 3 4 3
ser 1 89 38 9 12 79 12 28 70
ser 2 97 18 14 8 60 18 7 36 50
ser 3 90 46 10 6 90 19 19 45 35

One thought on “XRD results of British School at Rome stamped bricks

Comments are closed.