# Viscoelastic Model and Synthetic Seismic Data of Eastern Rub'Al-Khali
## 3 Development of Digital Depth Models
\begin{tabular}{c c c c c c c c} \hline \hline
**Layer** & **Formation** & **Lithology** & \(\rho\) & \(\mathbf{V_{P}}\) & \(\mathbf{V_{s}}\) & \(\mathbf{Q_{P}}\) & \(\mathbf{Q_{s}}\) \\  & & & (kg/m\({}^{3}\)) & (m/s) & (m/s) & (m/s) & \\ \hline F-1 & Quaternary & Sand & 1500 \({}^{\text{a}}\) & 850 \({}^{\text{a}}\) & 501 \({}^{\text{a}}\) & 29.15 \({}^{\text{i}}\) & 22.36 \({}^{\text{i}}\) \\ F-2 & Hoftuf Dam Hadrukh & Mixed limestone & 1877 \({}^{\text{b}}\) & 1835 \({}^{\text{b}}\) & 1180 \({}^{\text{c}}\) & 42.84 \({}^{\text{i}}\) & 34.35 \({}^{\text{i}}\) \\ F-3 & Dammam & Limestone & 2289 \({}^{\text{b}}\) & 3110 \({}^{\text{b}}\) & 1870 \({}^{\text{d}}\) & 55.77 \({}^{\text{i}}\) & 43.24 \({}^{\text{i}}\) \\ F-4 & Rus & Anhydrite & 2397 \({}^{\text{b}}\) & 5252 \({}^{\text{b}}\) & 2470 \({}^{\text{d}}\) & 65.32 \({}^{\text{i}}\) & 49.70 \({}^{\text{i}}\) \\ F-5 & Umm Er Radhuma & Limestone & 2028 \({}^{\text{b}}\) & 3318 \({}^{\text{b}}\) & 1978 \({}^{\text{d}}\) & 57.60 \({}^{\text{i}}\) & 44.47 \({}^{\text{i}}\) \\ F-6 & Artuma & Limestone & 2037 \({}^{\text{b}}\) & 3585 \({}^{\text{b}}\) & 1672 \({}^{\text{d}}\) & 52.25 \({}^{\text{i}}\) & 40.89 \({}^{\text{i}}\) \\ F-7 & Wasia & Sandstone & 2277 \({}^{\text{b}}\) & 3233 \({}^{\text{b}}\) & 2142 \({}^{\text{c}}\) & 56.86 \({}^{\text{i}}\) & 46.28 \({}^{\text{i}}\) \\ F-8 & Shuaiba & Limestone & 2037 \({}^{\text{b}}\) & 3010 \({}^{\text{b}}\) & 1818 \({}^{\text{d}}\) & 54.86 \({}^{\text{i}}\) & 42.63 \({}^{\text{i}}\) \\ F-9 & Biyadh & Sandstone & 2364 \({}^{\text{b}}\) & 4045 \({}^{\text{b}}\) & 2701 \({}^{\text{c}}\) & 63.60 \({}^{\text{i}}\) & 51.97 \({}^{\text{i}}\) \\ F-10 & Hith & Anhydrite & 2874 \({}^{\text{e}}\) & 4483 \({}^{\text{e}}\) & 2328 \({}^{\text{e}}\) & 66.96 \({}^{\text{i}}\) & 48.24 \({}^{\text{i}}\) \\ F-11 & Arab & Limestone & 2400 \({}^{\text{e}}\) & 5399 \({}^{\text{e}}\) & 2748 \({}^{\text{e}}\) & 73.47 \({}^{\text{i}}\) & 52.42 \({}^{\text{i}}\) \\ F-12 & Hanifa \& Tuwaiq & Limestone & 2550 & 5698 \({}^{\text{e}}\)k & 2903 \({}^{\text{e}}\) & 75.48 \({}^{\text{i}}\) & 53.88 \({}^{\text{i}}\) \\  & Mountain & Limestone & 2458 \({}^{\text{f}}\)k & 5033 \({}^{\text{f}}\)k & 2870 \({}^{\text{d}}\) & 70.94 \({}^{\text{i}}\) & 53.57 \({}^{\text{i}}\) \\ F-13 & Dhruma & Limestone & 2410 \({}^{\text{f}}\) & 3272 \({}^{\text{f}}\) & 1436 \({}^{\text{e}}\) & 57.20 \({}^{\text{i}}\) & 37.89 \({}^{\text{i}}\) \\ F-15 & Minjur & Sandstone & 2394 \({}^{\text{f}}\) & 3930 \({}^{\text{f}}\) & 2499 \({}^{\text{e}}\) & 62.69 \({}^{\text{i}}\) & 49.99 \({}^{\text{i}}\) \\ F-16 & Jih & Dolomite & 2400 \({}^{\text{f}}\)k & 4823 \({}^{\text{f}}\) & 2761 \({}^{\text{d}}\) & 69.45 \({}^{\text{i}}\) & 52.54 \({}^{\text{i}}\) \\ F-17 & Sudair & Shale & 2372 \({}^{\text{g}}\)k & 5182 \({}^{\text{g}}\)k & 2674 \({}^{\text{g}}\) & 71.99 \({}^{\text{i}}\) & 51.71 \({}^{\text{i}}\) \\ F-18 & Kluff & Dolomite & 2639 \({}^{\text{g}}\)k & 4953 \({}^{\text{g}}\)k & 2530 \({}^{\text{g}}\) & 70.38 \({}^{\text{i}}\) & 50.3 \({}^{\text{i}}\) \\ F-19 & Unayzah & Sandstone & 2405 \({}^{\text{g}}\) & 3752 \({}^{\text{g}}\) & 2085 \({}^{\text{g}}\) & 61.25 \({}^{\text{i}}\) & 45.66 \({}^{\text{i}}\) \\ F-20 & Qusaiba & Shale & 2486 \({}^{\text{g}}\) & 3898 \({}^{\text{g}}\) & 2143 \({}^{\text{g}}\) & 62.43 \({}^{\text{i}}\) & 46.29 \({}^{\text{i}}\) \\ F-21 & Qasim & Sandstone & 2380 \({}^{\text{h}}\) & 3685 \({}^{\text{h}}\) & 2453 \({}^{\text{c}}\) & 60.70 \({}^{\text{i}}\) & 49.53 \({}^{\text{i}}\) \\ F-22 & Saq & Sandstone & 2350 \({}^{\text{h}}\) & 3765 \({}^{\text{h}}\) & 2508 \({}^{\text{h}}\) & 61.36 \({}^{\text{i}}\) & 50.08 \({}^{\text{i}}\) \\ F-23 & Basement & Igneous and metamorphic & 2800 \({}^{\text{i}}\) & 6380 \({}^{\text{i}}\) & 3580 \({}^{\text{i}}\) & 79.87 \({}^{\text{i}}\) & 59.83 \({}^{\text{i}}\) \\ \hline \hline \end{tabular}