Monday, 21 April 2025

Bluestone Lithologies

An updated table of the bluestone lithologies, with thanks to Simon Banton's Stones of Stonehenge. Checked against Table 1 in Bevins, R., Ixer, R., Pearce, N., Scourse, J., & Daw, T. (2023). Lithological description and provenancing of a collection of bluestones from excavations at Stonehenge by William Hawley in 1924 with implications for the human versus ice transport debate of the monument's bluestone megaliths. Geoarchaeology, 38, 771–785. https://doi.org/10.1002/gea.21971

 
Stone Number Classification Reference Link
31 Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 31
32 Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 32
32c Andesite Group A Ixer et al. (2023) Stone 32*
32d Rhyolite Group C Ixer and Bevins (2011a) Stone 32*
32e Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 32*
33 Spotted dolerite Group 1 Bevins et al. (2014) Stone 33
33e Andesite Group A Ixer et al. (2023) Stone 33*
33f Andesite Group A Ixer et al. (2023) Stone 33*
34 Spotted dolerite Group 3 Bevins et al. (2014) Stone 34
35a Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 35
35b Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 35
36 Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 36
37 Spotted dolerite Group 1 Bevins et al. (2014) Stone 37
38 Dacite Group B Ixer et al. (2015) Stone 38
39 Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 39
40 Dacite Group C Ixer and Bevins (2011b) Stone 40
40c Andesite Group A Ixer et al. (2023) Stone 40*
40g Lower Palaeozoic sandstone Ixer et al. (2017) Stone 40*
41 Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 41
41d Andesite Group A Ixer et al. (2023) Stone 41*
42 Spotted dolerite Group 2 Bevins et al. (2014) Stone 42
42c Lower Palaeozoic sandstone Ixer et al. (2017) Stone 42*
43 Spotted dolerite Group 2 Bevins et al. (2014) Stone 43
44 Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 44
45 Nonspotted dolerite Group 2 dolerite Bevins et al. (2014) Stone 45
46 Rhyolite Group F Ixer and Bevins (2011b) Stone 46
47 Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 47
48 Rhyolite Group E Ixer and Bevins (2011a) Stone 48
49 Spotted dolerite Group 1 Bevins et al. (2014) Stone 49
61 Spotted dolerite Group 3 Bevins et al. (2014) Stone 61
62 Nonspotted dolerite Group 2 dolerite Bevins et al. (2014) Stone 62
63 Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 63
64 Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 64
65 Spotted dolerite Group 1 Bevins et al. (2014) Stone 65
66 Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 66
67 Spotted dolerite Group 1 Bevins et al. (2014) Stone 67
68 Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 68
69 Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 69
70a Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 70
70b Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 70*
71 Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 71
72 Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 72
80 Orcadian Basin Old Red SandstoneClarke et al. (2024) Stone 80
150 Spotted dolerite (ungrouped) Bevins et al. (2014) Stone 150

*Note: Sub-stones (e.g., 32c, 32d, 33e) are fragments or debitage associated with the main stone (sometimes they are different material so the association is merely historical) and may not have individual pages, further information about them will be found on the Stumps Page. Links point to the main stone’s page for context. Stone 80 (Altar Stone) is classified as sandstone from the Orcadian Basin, northeast Scotland, per recent research.

References

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