OIL-GAS BASINS OF RUSSIAN FAR EAST
By
Dr. James Clarke

TABLE OF CONTENTS

INTRODUCTION ............................................. p. 1

SEDIMENTARY BASINS OF CENOZOIC FOLD REGIONS .............. p. 3
Basins of Japan Sea region .............................. p. 3
Basins of Sea of Okhotsk region ..................... p. 11
Basins of Bering Sea region ............................ p. 19

STRATIGRAPHY ........................................................ p. 25
Danian-Paleocene-Eocene complex ................. p. 25
Oligocene complex ......................................... p. 45
Lower Miocene complex ................................. p. 58
Middle Miocene complex ................................ p. 71
Middle Miocene-Pliocene complex .................. p. 88
Pliocene-Quaternary complex ......................... p. 105

RIFT SYSTEMS ........................................................... p. 128

OIL-GAS BASINS ........................................................ p. 137
Isikari-West Sakhalin basin ............................. p. 137
Okhotsk-West Kamchatka basin ..................... p. 143
Sakhalin-Okhotsk basin .................................. p. 146
South Okhotsk basin ...................................... p. 147
Anadyr and Navarin basins ............................. p. 148
Aleutian and Khatyrka basins .......................... p. 149
Olyutor-Komandor, Il'pin-Karagin, and Central Kamchatka basins ............................... p. 150

CONCLUSIONS ........................................................... p. 151


LIST OF ILLUSTRATIONS

Figure 1. Map of Russian Far East p. 2
Figure 2. Cenozoic sedimentary basins of the Russian Far East Front pocket
Figure 2a. Sedimentary basins of Russian Far East Back pocket
Figure 2b. Location map for other figures Front pocket
Figure 3. Location of profiles of Isikari-West Sakhalin basin... p. 8
Figure 4. Seismo-geologic profiles of Isikari-West Sakhalin basin... p. 9
Figure 5. Location of profiles of Sea of Okhotsk region... p. 13
Figure 6. Seismo-geologic profiles of Sea of Okhotsk region... p. 14
Figure 7. Location of profiles of Bering Sea region... p. 22
Figure 8. Seismo-geologic profiles of Bering Sea region... p. 23
Figure 9. Areal distribution of lithologic associations at various stages of formation of the sedimentary cover of the Isikari-West Sakhalin basin during Danian-Paleocene-Eocene time... p. 31
Figure 10. Structural-lithologic map of continental part of Russian Far East and Japan Sea region for Paleocene-Eocene time... p. 28
Figure 11. Sedimentational map of regions of Sea of Okhotsk and Tatar Strait for Danian-Paleocene-Eocene time... p. 34
Figure 12. Isopach map of Paleocene-Eocene complex of Sea of Okhotsk region... p. 35
Figure 13. Sedimentational map of Bering Sea region for Danian-Paleocene-Eocene time... p. 40
Figure 14. Structural-lithologic map of Bering Sea region for Paleocene-Eocene time... p. 41
Figure 15. Structural-lithologic map of continental part of Russian Far East and Japan Sea region for Oligocene time... p. 46
Figure 16. Sedimentational map of regions of Sea of Okhotsk and Tatar Strait for Oligocene time... p. 49
Figure 17. Isopach map of Oligocene complex of Sea of Okhotsk region... p. 50
Figure 18. Sedimentational map of Bering Sea region for Oligocene time... p. 53
Figure 19. Isopach map of Oligocene complex of Bering Sea region... p. 54
Figure 20. Structural-lithologic map of continental part of Russian Far East and Japan Sea region for early Miocene time... p. 59
Figure 21. Sedimentational map of regions of Sea of Okhotsk and Tatar Strait for early Miocene time... p. 61
Figure 22. Isopach map of lower Miocene complex of Sea of Okhotsk region... p. 62
Figure 23. Sedimentational map of Bering Sea region for early Miocene time... p. 67
Figure 24. Isopach map of lower Miocene complex of Bering Sea region... p. 68
Figure 25. Structural-lithologic map of continental part of Russian Far East and Japan Sea region for middle Miocene time... p. 72
Figure 26. Sedimentational map of regions of Sea of Okhotsk and Tatar Strait for middle Miocene time... p. 73
Figure 27. Isopach map of middle Miocene complex of Sea of Okhotsk region... p. 76
Figure 28. Section through Ichin downwarp and Kolpakov depression ... p. 79
Figure 29. Paleo-profiles through North Sakhalin region... p. 81
Figure 30. Location map for profiles of figure 29... p. 82
Figure 31. Sedimentational map of Bering Sea region for middle Miocene time... p. 85
Figure 32. Isopach map of middle Miocene complex of Bering Sea region... p. 86
Figure 33. Structural-lithologic map of continental part of Russian Far East and Japan Sea region for middle Miocene-Pliocene time... p. 89
Figure 34. Sedimentational map of regions of Sea of Okhotsk and Tatar Strait for middle Miocene-Pliocene time... p. 94
Figure 35. Isopach map of middle Miocene-Pliocene complex of Sea of Okhotsk region... p. 95
Figure 36. Sedimentational map of Bering Sea region for middle Miocene-Pliocene time... p. 101
Figure 37. Isopach map of middle Miocene-Pliocene complex of Bering Sea region... p. 102
Figure 38. Structural lithologic map of continental part of Russian Far East and Japan Sea region for Pliocene-Quaternary time... p. 106
Figure 39. Sedimentational map of regions of Sea of Okhotsk and Tatar Strait for Pliocene-Quaternary time... p. 108
Figure 40. Isopach map of Pliocene-Quaternary complex of Sea of Okhotsk region... p. 109
Figure 42. Isopach map of Pliocene-Quaternary complex of Bering Sea region... p.111
Figure 42. Rift systems of Japan Sea and Sea of Okhotsk regions and Kamchatka... p. 129
Figure 42a. Mesozoic-Cenozoic rift systems... p. 131
Figure 43. Rift structures and deltaic complexes along borders of basins of Russian Far East... p. 138
Figure 44. Depth to base of Cenozoic section in Sea of Okhotsk region... p. 140
Figure 45. Crustal temperatures at depths of 10 km... p. 142
Figure 46. Tectonic-dynamic model of the Cenozoic active margin of the Russian Far East... p. 152
Figure 47. Basins of the Russian Far East and their assessed favorability... p. 157

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