| Qgz_Gravel Sheets(Active) Gravel, Sand , Boulders ,Pebbles |
| Qgy_Gravel Sheets(Inactive) Gravel, Sand , Boulders ,Pebbles |
| Qgx_Gravel Sheets(Oldinactive) Gravel, Sand , Boulders ,Pebbles |
| Qtz_Alluvial Terraces(Active) |
| Qty_Alluvial Terraces(Inactive) |
| Qk_Khabra Deposits Silt, Caly, Some Sand |
| Qay_Flood-Plain And Basin Alluvium(Inactive) Gravel, Sand, Silt |
| Qdz_Eolian Sand(Activedunesystem) |
| Qdy_Eolian Sand(Inactivedunesystem) |
| Qsz_Eolian Sand(Activesheet) |
| Qdc_Calcareous Duricrust |
| Qly_Lacustrine Deposits Silt, Caly, Limestone |
| Qr_Rufa Formation Gray To Beige Lacustrine Limestone, Clayey And Sandy Gypsum, Clayey Or Gravelly Sand, And Beige To Tan Coarse Conglomerate Locally At The Base |
| QTs_Sha‘al Formation Alternation Of Beige Polygenic Conglomerates, Including Well-Rounded Carbonate And Sandst One Pebbles, And Of Gray To Beige Lacutrine Limestone |
| QTf_Un Named Fluvial Deposits Disaggregated Conglomerate Comprising Abundant (90%) Well-Rounded White Quartz Pebbles And Gravel, And Various Pebbles And Cobbles Of Shield And Cover Rocks Up To 50 Cm In Diameter (10%) |
| Tu_Umm Er Radhuma Formation Beige To Brown Recrystallized (Dolomitized) Limestone; White Bioclastic And Pelletoidal Limestone; Brown Sparry Dolomite With Calcite- Or Quartz-Filled Vesicles At The Base |
| kal_Lina Member Ocher To Green Or Red Pedogenic Dolomitic Claystone; White Dolomitic Limestone; Beige Clayey Bioclastic Limestone; Gypsiferous Claystone |
| kah_Hajajah Member Gray To Brown Sparry Limestone; Yellowish Pelletoidal Limestone; Bioclastic Rudist-Built Limestone; Olive-Green To Ocher Claystone a - Channels Of Silicified Grainstone Facies |
| Kak_Khanasir Member Cream To White Finely Bioclastic Nodular And Fossiliferous Limestone; Clayey Limextone; Brown Dolomite With Calcite-Filled Vesicles At The Base |
| Kw_Wasia Formation Ferruginous Sandstone |
| Kbh_Huraysan Member White Conglomeratic (Quartz Gravel) To Coarse-Grained Sandstone; Beige Medium- To Fine-Grained Cross-Stratified Sandstone; Beige To Mauve Pedogenic Bioturbatcd (Rools) Claystone; Ferruginized Sandstone In The Upper Part |
| Kbs_Sallah Member Gray To Green Or Red Calcareous And Gypsifcrous Claystone; Yellow To Ocher Pelletoidal Limestone; Bioclastic Sandy Limestone; Yellowish Medium- To Coarsc-Grained Sandstone |
| Kbd_Dughum Member White To Brown Fine- To Coarse-Grained Cross-Bedded Sandstone Containing Conglomeratic Layers Of Quartz Gravel, In Places Cemented By Silica (Quartzite); White To Red Pedogenic Silty Claystone In The Upper Part |
| Kbw_Buwaib Formation |
| Ky_Yamama Formation |
| KJs_Sulaiy Formation |
| Ja+Jha_Upper Breccia Complex Solution Breccia Comprising Carbonate Facies Of Arab-B And Arab-A Members, Mixed Together With Collapsed Blocks From Overlying Sulaiy Formation After Solution Of Hith Anhydrite - Massive Bluish-Gray Translucent Angydrite At Da |
| Jad+Jac_Arab-C Member (Carbonate Facies) And Arab-D Member (Evaporite Facies) Upper Part (Arab-C Carbonates) - Gray To Beige Bioclastic And Oolitic Cacarenite; Cream Laminated Limestone; Ocher Recrystallized Dolomite. Lower Part (Lower Breccia Complex) |
| Jad_Arab-D Member Pelletoid Dolomite Or Limestone, Bioturbations And Chert |
| Jj_Jubaila Limestone (Undifferentiated) Basal Calcareous Sandstone |
| Jhu_Ulayyah Member Reddened And Bioturbated, Bioclastic And Pelletoid Calcarenite; Yellowish Clayey Limestone; Bioclastic And Lithoclastic Calcernite At The Base |
| Jhh_Hawtah Member Yellowish To Gray, Clayey, Bioclastic Limestone Intersected By Bioclastic Calcernite; Yellow Clayey Limestone At The Base |
| Jt_Tuwaiq Mountain Limestone Pelletoid Limestone,Sandy Bioclastic Limestone; Sandy Oolitic Claystone,Conglomeratic Sandstone A-Reefs |
| Jdu_Upper Dhruma Formation Green To Yellow Calcareous Claystone Interbedded With Bioclastic Limestone; Abundant Feruginous Ooliths In The Lower Part Which Capped By A Hardground On Ocher Sandy Dolomite |
