FIGURE 1. Structural elements of the Sirt Basin, Libya showing locations of major oil and gas fields. Location X indicates wells X13, X23, and X43 in the Hagfa Trough and location Y indicates well Y47 on the Beda Platform. (modified after Burwood et al. 2003, NARG Website).

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FIGURE 2. Dinoflagellate cysts. 2.1. cf. Cyclonephelium sp. (6854’ 8”, slide 1: 97.2 x 23). Size: 41x31 µm. 2.2. Canningia sp. (6854’ 8”, slide 2: 95 x 37.7). Size: 28x17 µm. 2.3. Spiniferites ramosus group (6854’ 8”, slide 2: 95 x 37.7). Cyst diameter 19 µm; and process length 3-4.5 µm. 2.4. Batiacasphaera compta (6871’ 4”, Slide 1: 91.5x33.4). Cyst diameter 32x27 µm. 2.5. Homotryblium floripes (6871, slide 1: 95.9x32.1) Cyst diameter 38µm; and process length 12-15 µm. 2.6. Spiniferites ramosus group (6863, slide 2: 97.8 x 33). Cyst diameter 27 µm; and process length 5 µm. 2.7. Polysphaeridium subtile (6863, slide 2: 104.8 x 38). Cyst diameter 13 µm; process length 2-3 µm. 2.8. Operculodinium centrocarpum (6863, slide 1: 100 x 38.8). Cyst diameter 28x24µm; and process length 4-5 µm. 2.9. Fibrocysta cf. bipolaris (6871’ 4”, slide 1: 96.5x30.5). Cyst diameter 42x34 µm; process length 12-18 µm. 2.10. Homotryblium floripes (6871’ 4”, slide 1: 94.7x28.2). Cyst diameter 42x31 µm; process length 12-15 µm.

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FIGURE 3. Dinoflagellate cysts, acritarchs and foraminiferal remains. 3.1. Homotryblium floripes (6871’ 4”, slide 1: 96.5x30.5). Cyst diameter 32 µm; process length 11-14 µm. 3.2. Adnatosphaeridium multispinosum (6872’ 2”, slide 1: 101.9x36). Cyst diameter 22 µm; process length 8-10 µm. 3.3. Homotryblium floripes (6871’ 4”, slide 2: 103.5x35.7). Cyst diameter 40 µm; process length 11-13 µm. 3.4. Homotryblium floripes (6872’ 2”, slide 1: 96.8x38). Cyst diameter 42 µm; process length 13-15 µm. 3.5. Tityrosphaeridium cantharellus (6872’ 2”, slide 1: 97.8x28.7). Cyst diameter 36 µm; process length 11x14 µm. 3.6. Apteodinium australiense (6872’ 2”, slide 2: 108x39.6). Cyst diameter 22x16 µm. 3.7. Leiosphaeridia sp. (6872’ 2”, slide 1: 98.2x24.6). Cyst diameter 21x14 µm. 3.8. cf. Pterospermella sp. (6872’ 2”, slide 1: 98x24). Cyst diameter 25x21.5 µm. 3.9. Batiacasphaera cf. sphaerica Stover, 1977 (6872’ 2”, slide 2: 104.5x31.5). Cyst diameter 22x16 µm. 3.10. Foraminiferal lning (6863, slide 1: 94.2 x 28). Size: 40 µm. 3.11. Micrhystridium sp. (6863, slide 2: 103.4 x 30). Cyst diameter 15 µm; and process length 3-4 µm. 3.12. Micrhystridium sp. (6863, Slide 2: 103.2 x 32.3). diam. 7 µm; proc. 2-3 µm.

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FIGURE 4. Pollen grains and fungal remains. 4.1. Arecipites indicus (6854’ 8”, Slide 2: 95 x 33.5). Size: 14 x 6 µm. 4.2. Proxapertites cursus (6863’, Slide 1: 98.4 x 32.4). Size: 14 µm. 4.3. Retitricolpites sp. (6863’, Slide 1: 101 x 27). Size: 8 µm. 4.4. Palmaepollenites sp. (6863’, Slide 1: 107.4 x 35.8). Size: 23x11 µm. 4.5. Proxapertites operculatus (6863’, Slide 2: 105.2 x 39). Size: 15x8 µm. 4.6. Tricolpites microreticulatus (6863’, Slide 2: 105.5 x 34.5). Size: 8 µm. 4.7. Tricolporopollenites sp. (6863’, Slide 2: 94x31.5). Size: 16x 12 µm. 4.8. Arecipites indicus (6863’, Slide 2: 93.8x39.2). Size: 19x 11 µm. 4.9. Palmidites sp. (6863’, Slide 2: 95.7x31.2). Size: 16x 8 µm. 4.10. Palmidites sp. (6863’, Slide 2: 92x37.6). Size: 18x12 µm. 4.11. Retibrevitricolpites sp. (6863’, Slide 2: 92.4x25). Size: 10 µm. 4.12. Brevitricolpites sp. (6863’, Slide 2: 104.4x33.5). Size: 10 µm. 4.13. Neocouperipollis sp. (6863’, Slide 2: 91.5x29.6). Size: 16 µm. 4.14. Trisyncoloporopollenites sp. (6863’, Slide 2: 90x23.2). Size: 12 µm. 4.15. Fungal spore (6863, slide 1: 99.6 x 33). Size: 30 µm. 4.16. Fungal remain (6863, slide 2: 105.6 x 30.3). Size: 23x8 µm.

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