Geological Property and Tensile Strength Data for Sill Emplacement Study

Geological Property and Tensile Strength Data for Sill Emplacement Study
=========================================================================

Authors
-------
Martino Foschi, Joe Cartwright  
Department of Earth Sciences, University of Oxford, South Parks Road, OX1 3AN, Oxford, UK  

Dataset Description
-------------------
This dataset contains geological and geomechanical properties used in the study of sill emplacement associated with dyke swarm propagation.

- `Table_2.csv` contains location-specific geological data including unit thicknesses and densities for six stations. These parameters were used to compute sill depths, magma pressures, and stress distributions for the emplacement modelling.
- `Table_S1.csv` contains tensile strength values for the host rocks at the same stations, used to estimate the work done during sill emplacement. Monte Carlo simulations (N = 1E6) were performed using uniform distributions based on these values.

File Descriptions
-----------------

`Table_2.csv`
  - Columns:
    - Station: Station number (1 to 6)
    - Property: Geological property (e.g., thickness, density)
    - Unit: Lithological unit (e.g., chalk, salt, basement)
    - Min: Minimum value
    - Max: Maximum value
    - Mean: Mean value
    - STD: Standard deviation
    - Reference: Source reference (coded a–ν)
  - Notes:
    - Units are in meters (m) for thickness and kg/m³ for density.
    - Reference codes are defined below.

`Table_S1.csv`
  - Columns:
    - Station: Station number (1 to 6)
    - Intrusion: Type of intrusion (e.g., sill, dyke)
    - Host rock: Host lithology
    - Mean: Mean tensile strength (MPa)
    - Min: Minimum tensile strength (MPa)
    - Max: Maximum tensile strength (MPa)
    - Reference: Source citation
  - Notes:
    - Units are in megapascals (MPa).

Citation
--------
Foschi, M., & Cartwright, J.A. (2025). Geological Property and Tensile Strength Data for Sill Emplacement Study [Dataset]. Zenodo. https://doi.org/10.5281/zenodo.16746884

TABLE 1 
a, Cameron et al., 1992; 
b, Lott and Knox, 1993; 
c, Fabricius, 2003; 
d, Fabricius, 2007;                                 
e, Cartwright et al., 2025; 
f, Mondol et al., 2015; 
g, Hughes and Davison, 1993; 
h, Stewart and Coward, 1995;                                 
i, Kimbell and Williamson, 2015; 
j, Fairhead et al., 2023; 
k, Blundell, 1993; 
l, Rijkers et al. 1993;                                 
m, Mavko et al., 2020; 
n, Jackson and Hudec, 2017; 
o, Sparks et al., 1980; 
p, Murase and McBirney, 1973;                                 
q, Ryan, 1993; 
r, Gudmundsson, 2020; 
s, Williamson et al. 2002; 
t, Kimbell et al., 1989;                                 
u, Kimbell et al., 2010; 
v, Donato, 2020; 
x, Land et al. 1987; 
y, Fox-Strangeways et al. 1992; 
z, Mills et al., 1976; 
α, Bott et al. 1984; 
β, Cameron and Stephenson, 1985; 
γ, Caldwell and Young, 2013;                                 
δ, Eyles et al. 1949; 
ε, Mykura, 1967; 
ζ, Smellie, 1915; 
η, Evans, 1985; 
θ, Kynaston and Hill, 1908;                                 
ι, Lee and Bailey, 1925; 
κ, Groome and Hall, 1974; 
λ, Bailey, 1934; 
μ, Harris and Pitcher, 1975;                                 
ν, Barton, 1992.    

REFERENCES for TABLE 1 and TABLE S1

Bailey, E.B., 1934. West Highland tectonics: Loch Leven to Glen Roy. Quarterly Journal of the Geological Society, 90(1-4), pp.462-525. https://doi.org/10.1144/GSL.JGS.1934.090.01-04.16 
Barton, P.J., 1992. LISPB revisited: a new look under the Caledonides of northern Britain. Geophysical Journal International, 110(2), pp.371-391. https://doi.org/10.1111/j.1365-246X.1992.tb00881.x 
Blundell, D.J., 1993. Deep structure of the Anglo–Brabant massif revealed by seismic profiling. Geological Magazine, 130(5), pp.563-567. https://doi.org/10.1017/S0016756800020859 
Bott, M.H.P., Swinburn, P.M. and Long, R.E., 1984. Deep structure and origin of the Northumberland and Stainmore troughs. Proceedings of the Yorkshire Geological Society, 44(4), pp.479-495. https://doi.org/10.1144/pygs.44.4.479 
Caldwell, W.G.E. and Young, G.M., 2013. Structural controls in the western offshore Midland Valley of Scotland: implications for Late Palaeozoic regional tectonics. Geological Magazine, 150(4), pp.673-698. https://doi.org/10.1017/S0016756812000878 
Cameron, I.B and Stephenson,D 1985. British Regional Geology: The Midland Valley of Scotland, 3rd ed. British Geological Survey 172 pp., London: H.M.S.O. 
Cameron, T.D.J., Crosby, A., Balson, P.S., Jeffrey, D.H., Lott, G.K., Bulat, J. and Harrison, D.J. 1992. The Geology of the Southern North Sea. United Kingdom Offshore Regional Report. British Geological Survey and HMSO, London.
Cartwright, J., Foschi, M. and Phillips, D., 2025. The role of sill intrusion in delimiting the lateral propagation of giant dyke swarms: emplacement of the Dogger Sill Complex, southern North Sea. Journal of the Geological Society, pp.jgs2025-005. https://doi.org/10.1144/jgs2025-005 
Donato, J.A., 2020. Gravity modelling across two postulated granite batholiths within the UK onshore East Midlands Shelf. University of Oxford/UKOGL Beneath Britain Website.
Evans, 1985. BGS 1:250,000 Solid Geology Clyde Sheet 55N- 06W. London, HMSO. 
Eyles, V.A., Simpson, J.B. and McGregor, A.G., 1949. Geology of Central Ayrshire. (Explanation of One-Inch Sheet 14). 2nd Edition. Memoirs of the Geological Survey of Scotland. Edinburgh, HMSO, 160pp.
Fabricius, I. L. 2003. How burial diagenesis of chalk sediments controls sonic velocity and porosity, AAPG Bull., 87, 1755–1778, https://doi:10.1306/06230301113   
Fabricius, I.L., 2007. Chalk: composition, diagenesis and physical properties. Bulletin of the Geological Society of Denmark, 55, pp.97-128.
Fairhead, J.D., Marsden, D., Azli, N.M., Özsöz, İ., Maxwell, D., Rose, O. and Green, C.M., 2023. Gravity imaging of sub-Zechstein geological structures in the UK sector of the North Sea using the gravity layer stripping method. Petroleum Geoscience, 29(4), pp.petgeo2023-009. https://doi.org/10.1144/petgeo2023-009  
Fox-Strangeways. 1992; British Geological Survey 1:50,000 Sheet 43 Egton Solid Geology. London, HMSO. 
Groome, D.R. and Hall, A., 1974. The geochemistry of the Devonian lavas of the northern Lorne Plateau, Scotland. Mineralogical Magazine, 39(306), pp.621-640  https://doi.org/10.1180/minmag.1974.039.306.01 
Gudmundsson, A., 2020. Volcanotectonics: Understanding the structure, deformation and dynamics of volcanoes. Cambridge University Press. https://doi.org/10.1017/9781139176217 
Harris, A. L. And Pitcher, W. S., 1975. The Dalradian Supergroup. In Harris, A.L. et al. A correlation of the Precambrian rocks of the British Isles. Geol. Soc. Lond. Spec. Rep. 6.
Hughes, M. and Davison, I., 1993. Geometry and growth kinematics of salt pillows in the southern North Sea. Tectonophysics, 228(3-4), 239-254 https://doi.org/10.1016/0040-1951(93)90343-I 
Jackson, M.P. and Hudec, M.R., 2017. Salt tectonics: Principles and practice. Cambridge University Press.
Kimbell, G.S., Chadwick, R.A., Holliday, D.W. and Werngren, O.C., 1989. The structure and evolution of the Northumberland Trough from new seismic reflection data and its bearing on modes of continental extension. Journal of the Geological Society, 146(5), pp.775-787. https://doi.org/10.1144/gsjgs.146.5.0775 
Kimbell, G.S., Carruthers, R.M., Walker, A.S.D., Williamson, J.P., Busby, D.J., McDonald, A.J.W., Marsh, S.H. and Stone, P., 2006. Regional geophysics of southern Scotland and northern England. Nottingham, UK: British Geological Survey.
Kimbell, G.S. and Williamson, J.P., 2015. A gravity interpretation of the Central North Sea. https://nora.nerc.ac.uk/id/eprint/516759 
Kolano, M., Cała, M. and Stopkowicz, A., 2024. Mechanical Properties of Rock Salt from the Kłodawa Salt Dome—A Statistical Analysis of Geomechanical Data. Materials, 17(14), p.3564.
Kynaston, H. and Hill, J.B., 1908. The geology of the country near Oban and Dalmally:(explanation of sheet 45) (Vol. 45). HM Stationery Office.
Land, D. 1987. British Geological Survey, 1:50,000 series, Stockton (Sheet 33), solid geology and drift. HMSO, London. 
Lee, G.W. and Bailey, E.B., 1925. The Pre-Tertiary Geology of Mull, Loch Aline, and Oban:(Being a Description of Parts of Sheets, 35, 43, 44, 45 and 52 of the One-inch Geological Map of Scotland) (Vol. 35). HM Stationery Office.
Lott, G.K. & Knox, R.W.O’B. 1994. Post-Triassic of the southern North Sea. In: Knox, R.W.O’B. & Cordey, W.G. (eds) Lithostratigraphic Nomenclature of the UK North Sea. British Geological Society, Keyworth, Nottingham, 7. 155. 
Luong, M.P., 1988, June. Direct tensile and direct shear strengths of Fontainebleau sandstone. In ARMA US Rock Mechanics/Geomechanics Symposium (pp. ARMA-88). ARMA.
Mavko, G., Mukerji, T. and Dvorkin, J., 2020. The rock physics handbook. Cambridge university press.
Mills, D.A.C., Hull, J.H., Burch, C.R. and Francis, E.A., 1976. Geology of the Country Around Barnard Castle: Explanation of One-inch Geological Sheet 32,(New Series) (Vol. 32). HM Stationery Office.
Mondol, N.H., Fawad, M., Jahren, J. and Bjørlykke, K., 2008. Synthetic mudstone compaction trends and their use in pore pressure prediction. first break, 26(12). https://doi.org/10.3997/1365-2397.2008018 
Murase, T. and McBirney, A.R., 1973. Properties of some common igneous rocks and their melts at high temperatures. Geological Society of America Bulletin, 84(11), pp.3563-3592. https://doi.org/10.1130/0016-7606(1973)84<3563:POSCIR>2.0.CO;2  
Mykura, W., Calver, M.A. and Wilson, R.B., 1967. The Upper Carboniferous rocks of south-west Ayrshire. Bulletin of the Geological Survey of Great Britain, 26, pp.23-98.
Pomeroy, C.D. and Morgans, W.T.A., 1956. The tensile strength of coal. British Journal of Applied Physics, 7(7), p.243.
Rijkers, R., Duin, E.D., Dusar, M. and Langenaeker, V., 1993. Crustal structure of the London–Brabant massif, southern North Sea. Geological Magazine, 130(5), pp.569-574. https://doi.org/10.1017/S0016756800020860 
Ryan, M.P., 1993. Neutral buoyancy and the structure of mid‐ocean ridge magma reservoirs. Journal of Geophysical Research: Solid Earth, 98(B12), pp.22321-22338. https://doi.org/10.1029/93JB02394 
Smellie, W.R., 1915. The Tertiary Composite Sill of South Bute. Transactions of the Geological Society of Glasgow, 15(2), pp.121-139. https://doi.org/10.1144/transglas.15.2.121 
Sparks, R.S.J., Meyer, P. and Sigurdsson, H., 1980. Density variation amongst mid-ocean ridge basalts: implications for magma mixing and the scarcity of primitive lavas. Earth and Planetary Science Letters, 46(3), pp.419-430. https://doi.org/10.1016/0012-821X(80)90055-2 
Stewart, S.A. and Coward, M.P., 1995. Synthesis of salt tectonics in the southern North Sea, UK. Marine and Petroleum Geology, 12(5), pp.457-475. https://doi.org/10.1016/0264-8172(95)91502-G 
Williamson, J.P., Pharaoh, T.C., Banka, D., Thybo, H., Laigle, M. and Lee, M.K., 2002. Potential field modelling of the Baltica–Avalonia (Thor–Tornquist) suture beneath the southern North Sea. Tectonophysics, 360(1-4), pp.47-60. https://doi.org/10.1016/S0040-1951(02)00346-3