. . . Indices for Photographs in Ward Abbott's On-Line Atlas

  1. Type of Display
    1. Outcrop
      1. Outcrop Synthetic Well Log Section
      2. Outcrop Synthetic Seismic Section
      3. Measured Section Correlation
      4. Outcrop Chronostratigraphic Reconstruction
    2. Well Log Cross-Section
      1. Well Data Synthetic Seismic Section
      2. Well Data Chronostratigraphic Reconstruction
    3. Well Core Data
    4. Seismic Sections
      1. Seismic Travel-Time Cross-Sections
      2. Seismic Time-Slice
      3. Seismic Depth Cross-Section
      4. Seismic Depth-Slice
      5. Seismic Chronostratigraphic Reconstruction
    5. Culture Map
    6. Topography Map
    7. Bathymetry Map
    8. Surface Geology Map
    9. Satellite Images
    10. Integrated 3-D Immersive Reality Model of Outcrop, Well Log, Seismic, and Other Data
  2. Infinite GridSM Geographic Location
    1. Camera Location: x, y, z
      1. European Basins (104.66 BOE*109):
        1. Viking (25.0)
        2. Central Graben (10.0)
        3. Southern North Sea (24.0)
        4. Paris (0.16)
        5. Aquitaine (2.6)
        6. Vienna (1.3)
        7. Dnieper-Donetz (11.0)
        8. Volga-Ural (77.0)
        9. Timan-Pechora (6.6)
      2. Mediterranean / North Africa / Middle East (828.2 BOE*109):
        1. Erg Occidental (14.0)
        2. Erg Oriental (19.0)
        3. Sirte (26.0)
        4. Suez (4.2)
        5. Middle East Arabian-Iranian (712.0)
      3. Southern Africa (30.43 BOE*109):
        1. Niger (27.0)
        2. Gabon (1.3)
        3. Congo (2.0)
        4. Cuanza (0.13)
      4. North America (372.15 BOE*109):
        1. Greater Mackenzie (>2.7)
        2. North Slope (19.8)
        3. Cook Inlet (2.3)
        4. Greater San Joaquin - Sacramento (14.6)
        5. Santa Maria (1.05)
        6. Ventura - Santa Barbara (4.0)
        7. Los Angeles (9.0)
        8. Alberta (27.0)
        9. Big Horn (2.7)
        10. Wind River (0.8)
        11. Green River - Overthrust (7.3)
        12. Piceance - Uinta (1.5)
        13. San Juan (4.5)
        14. Powder River (2.6)
        15. Denver (1.4)
        16. Williston (4.6)
        17. Greater Anadarko (42.0)
        18. Arkhoma (1.8)
        19. Ft. Worth (1.4)
        20. Greater Permian (47.0)
        21. Michigan (1.6)
        22. Illinois (5.5)
        23. Greater Gulf Coast (66.0)
        24. Mississippi (50.0)
        25. Timpico (13.0)
        26. Vera Cruz - Reforma - Campeche (38.0)
      5. South America (63.25 BOE*109):
        1. Oriente (2.4)
        2. Middle Magdalena (1.5)
        3. Maracaibo (39.0)
        4. East Venezuela - Trinidad (18.0)
          5. s
        5. Sergipe - Alagoas (0.35)
        6. Reconcavo (1.2)
        7. Campos (0.8)
      6. Western Asia (209.0 BOE*109):
        1. Western Siberia (156.0)
        2. Greater Middle Caspian - Turkomen (40.0)
        3. Baku - Kura (13.0)
      7. Eastern Asia (4.0 BOE*109):
        1. Sichuan (4.0)
      8. Southeast Asia (19.9 BOE*109):
        1. North Sumatra (3.0)
        2. Central Sumatra (2.1)
        3. South Sumatra (2.1)
        4. Java Sea (1.8)
        5. North Borneo - Sarawak (7.5)
        6. Mahakan (3.4)
      9. India (2.8 BOE*109):
        1. Cambay - Bombay (2.8)
      10. Australia (9.0 BOE*109):
        1. Greater Northwest Shelf (3.0)
        2. Greater Artesian (1.0)
        3. Gippsland (5.0)
      11. Antarctica (0 BOE*109):
        1. No Exploration - note above numbers from AAPG Studies #21, 1986
    2. Horizontal and Vertical Scale
    3. Camera Direction: angle horizontal, angle vertical
    4. Sunlight, Temperature, Pressure, and Wind Conditions
  3. TimedexSMLocation
    1. Date photo taken
    2. Geologic Age:
      European AgeAmerican AgeSea Level Chart AgeMenu
      QuarternaryQuarternary01
      PiacenzianPliocene02
      ZanclianPliocene03
      MesinianUpper Miocene04
      TortonianUpper Miocene05
      SerravallianMiddle Miocene06
      LanghianMiddle Miocene07
      BurdigalianLower Miocene08
      AquitanianLower Miocene09
      ChattianOligocene10
      RepelianOligocene11
      PriabonianOligocene12
      BartonianEocene13
      LutetianEocene14
      YpresianEocene15
      ThanetianPaleocene16
      DanianPaleocene17
      MaastrichtianUpper Cretaceous18
      CampanianUpper Cretaceous19
      SantonianUpper Cretaceous20
      ConiacianUpper Cretaceous21
      TronianUpper Cretaceous22
      CenomanianUpper Cretaceous23
      AlbianLower Cretaceous24
      AptianLower Cretaceous25
      BarremianLower Cretaceous26
      HauterivianLower Cretaceous27
      ValanginianLower Cretaceous28
      BerriassianUpper Jurassic29
      TithonianUpper Jurassic30
      KimmeridgianUpper Jurassic31
      OxfordianUpper Jurassic32
      CallovianMiddle Jurassic33
      BathonianMiddle Jurassic34
      BajocianMiddle Jurassic35
      AalentianMiddle Jurassic36
      ToarcianLower Jurassic37
      PliensbachianLower Jurassic38
      SinemurianLower Jurassic39
      HettangianLower Jurassic40
      RhaetianUpper Triassic41
      NorianUpper Triassic42
      CarnianUpper Triassic43
      LadinianMiddle Triassic44
      AnisianMiddle Triassic45
      ScythianLower Triassic46
      Upper PermianUpper Permian47
      Lower PermianLower Permian48
      PennsylvanianPennsylvanian49
      MississippianMississippian50
      Upper DevonianUpper Devonian51
      Middle DevonianMiddle Devonian52
      Lower DevonianLower Devonian53
      Upper SilurianUpper Silurian54
      Lower SilurianLower Silurian55
      OrdovicianOrdovician56
      CambrianCambrian57
      Pre-CambrianPre-Cambrian58
  4. Episodic Depositional Analysis
    1. Basin Tectonic Setting:
      1. Thermal Basins:
        1. Interior Sag (Cratonic Basins)
        2. Passive Margins:
          1. Rift
          2. Late Rift Phase
          3. Drift
        3. Rift Grabens:
          1. Lacustrine Section
          2. Back Arc
      2. Flexure Loading Basins:
        1. Continent-Continent:
          1. Foreland
        2. Ocean-Continent Trench:
          1. Forarc
          2. Backarc
      3. Wrenches:
        1. Rhomo Chasms
    2. Identify Structural Style within Basin:
      1. Gravity Control:
        1. Shale Diapirism
        2. Salt Diapirism
        3. Growth Faults
      2. Mechanical Subsidence
    3. Cycle/Sequence Duration
      1. 1st Order Cycles: 200 MY - 400 MY
      2. 2nd Order Cycles: 10 MY - 200 MY
        Major Transgressive-Regressive Facies Cycles (10-100 MY)
        Innodation Cycles
        Far Field Stress Cycles
        1. Enhanced Unconformity
        2. Maximum Shoreline Regression
        3. Shoreline Regression
        4. Maximum Shoreline Transgression
        5. Shoreline Transgression
      3. 3rd Order Cycles: 1 MY - 10 MY
      4. 4th Order Cycles: 1 KY - 1 MY
      5. 5th Order Cycles: Seasonal - 1 MY
  5. Stratal Pattern Cycles (1-10 MY)
    1. Termination Description:
      1. At Upper Boundary:
        1. Truncation (Red)
        2. Toplap (Cyan)
        3. Apparent Truncation (Olive)
      2. At Lower Boundary:
        1. Onlap (Orange)
        2. Downlap (Green)
      3. Internal to Geologic Unit:
        1. Divergent (Purple)
      4. Uncertain (Yellow)
      5. Faults (Black)
      6. Missing
    2. Eustatic Boundaries:
      1. Major Transgressive-Regressive Cycle (Violet)
      2. Sequence Boundary (Regional Onlap) (Orange)
      3. Type I Unconformity (Orange-Red)
      4. Unconformity - Structure (Orange-Red-Black)
      5. Unconformity - Stratigraphy (Orange-Red-Brown)
      6. Incised Valleys (Orange-Red-Ocean)
      7. Headward Erosion (Orange-Red-Green)
      8. Deep Sea Currents (Orange-Red-Blue)
      9. Ravinement Surface (Orange-Red-Lime)
      10. Conformable (Orange-Red-Tan)
      11. Type II Unconformity (Orange-Gold)
      12. Conformable (Subareal Erosion) (Orange-Gold-Tan)
      13. Systems Tract Boundary (Regiojnal Downlap) (Olive)
      14. Maximum Flooding Surface (Lime)
      15. Top Slope Fan (Brown)
      16. Top Basin Floor Fan (Yellow)
      17. Systems Tract Boundary (Transgressive Surface) (Ocean Blue)
      18. First Flooding Plane Surface, at base of Transgressive Systems Tract (Ocean Blue)
      19. Parasequence Scale Boundaries (Correlation Markers) (Thin Purple)
      20. Parasequence Boundary (Thin Purple)
      21. 4th Order Sequence boundary (Tied to Downdip Transgressive Surface) (Thin Orange)
      22. 4th Order Maximum Flooding Surface (Tied to Downdip Transgressive Surface) (Thin Lime)
    3. Tectonic Controlled Boundaries:
      1. Megaunit Boundary (Red)
      2. Sequence boundary (Orange)
      3. Small Unit Boundary (Orange)
      4. Edge (termination set, horizon, fault heave) (Thin Red)
      5. Fault (Black)
      6. Discontinuity Boundary (Orange)
      7. Synchronous Physical Boundary
      8. Diachronous Physical Boundary
      9. Synchronous Lithofacies Boundary
      10. Diachronous Lithofacies Boundary
    4. Boundary Description:
      1. Top of Unit:
        1. Regional Onlap (Sequence Boundary) (Orange):
          1. Type I Unconformity (Orange-Red):
            1. Unconformity-Structure (Orange-Red-Black)
            2. Unconformity-Stratigraphy (Orange-Red-Brown):
              1. Incised Valleys (Orange-Red-Ocean)
              2. Headward Erosion (Orange-Red-Ocean)
              3. Deep Sea Currents (Orange-Red-Blue)
              4. Ravinement Surface (Orange-Red-Lime
            3. Conformable
          2. Type II Unconformity:
            1. Conformable (Subareal Erosion) (Olive)
        2. Regional Downlap (Systems Tract Boundary) (Olive):
          1. Maximum Flooding Plane (Lime)
          2. Top Slope Fan (Brown)
          3. Top Basin Floor Fan (Yellow)
        3. Transgressive Surface (Systems Tract Boundary) (Ocean Blue):
          1. First Flooding Plane Surface at the Base of the Transgressive Systems Tract (White)
        4. Parasequence Boundary (White):
          1. Correlation Marker Within a Systems Tract
          2. Flooding Surface Between Boundaries I, II, or III
      2. Base of Unit:
        1. Regional Onlap (Sequence Boundary) (Orange):
          1. Type I Unconformity (Orange-Red):
            1. Unconformity-Structure (Orange-Red-Black)
            2. Unconformity-Stratigraphy (Orange-Red-Brown):
              1. Incised Valleys (Orange-Red-Brown):
              2. Headward Erosion (Orange-Red-Green)
              3. Deep Sea Currents (Orange-Red-Blue)
              4. Ravinement Surface (Orange-Red-Lime)
            3. Conformable (Subareal Erosion) (Olive)
        2. Regional Downlap (Systems Tract Boundary) (Olive):
          1. Maximum Flooding Plane (Lime)
          2. Top Slope Fan (Brown)
          3. Top Basin Floor Fan (Yellow)
        3. Transgressive Surface (Systems Tract Boundary) (Ocean Blue):
          1. First Flooding Plane Surface at the Base of the Transgressive Systems Tract (White)
        4. Parasequence Boundary (White):
          1. Correlation Marker within a Systems Tract
          2. Flooding Surface Between Boundaries I, II, and III
    5. Intervals: Stratigraphy Cycles Associated with Depositional Systems (1-10 MY):
      1. Megaunit (Sequence Set, Major Transgressive-Regressive Unit)
      2. Sequences
      3. Systems Tracts:
        1. Lowstand Systems Tract (Stillstand, Basin Floor Fan)
        2. Lowstand Systems Tract (Slope Fan)
        3. Lowstand Systems Tract (Lowstand Prograding Wedge)
        4. Transgressive Systems Tract (Backstepping)
        5. Highstand Systems Tract (Prograding)
        6. Shelf Margin Systems Tract
      4. Parasequence Sets
      5. Parasequences (Separated by Flooding Surface)
      6. Condensed Section
      7. Rock System
      8. Depositional Environment
      9. Depositional System
      10. Lithofacies, Synchronous
      11. Lithofacies, Diachronous
      12. Stillstand Systems Tract
    6. Reflection Configurations or Stratal Patterns:
      1. Continuous
      2. Discontinuous
      3. Identify Top of Sequence (A):
        1. Toplap
        2. Concordance
        3. Erosional Truncation
      4. Identify Base of Sequence (B):
        1. Onlap
        2. Concordance
        3. Downlap
      5. Identify Content of Sequence (C):
        1. Parallel:
          1. Parallel
          2. Subparallel
          3. Divergent
          4. Wavy
          5. Other
        2. Offlap:
          1. Sigmoid Offlap
          2. Oblique Offlap
          3. Aggregation Offlap
          4. Shingled Offlap
          5. Offlap Break
          6. Other
        3. Mounded or Draped:
          1. Erosional Remnant
          2. Intrusional Dome
          3. Other Dome
          4. Sheet Mound
          5. Complex Mound
          6. Chaotic Mound
          7. Toplap Mound
          8. Canyon Fill Mound
          9. Platform Edge Mound
          10. Platform Mound
          11. Offlap Mound
          12. Drape:
            1. Pelagic Sedimentation
            2. Differential Compaction
          13. Mass Debris Flows (Wasting):
            1. Hummocky
            2. Chaotic
            3. Contorted or Disrupted
            4. Other
          14. Onlap and Fill:
            1. Basin Margin
            2. Continental Shelf
            3. Slope Rise
          15. Topographic Highs:
            1. Channels
            2. Erosional
            3. Aggregational
          16. Isolated Basins:
            1. Rim Syncline
          17. Other
    7. External Forms of a Sequence:
      1. Sheet
      2. Sheet Drape
      3. Wedge
      4. Bank
      5. Lens
      6. Mound
      7. Fan
      8. Channel Fill
      9. Onlap-Fill
      10. Mounded Onlap-Fill
      11. Chaotic Fill
      12. Trough Fill
      13. Basin Fill
      14. Slope Front Fill
      15. Contourite
  6. Depositional Systems (rocks deposited in a particular environment):
    1. Permeability:
      1. 0-25 milli-darcies
      2. 26-50 milli-darcies
      3. 51-75 milli-darcies
      4. 76-100 milli-darcies
      5. 101-200 milli-darcies
      6. 201-400 milli-darcies
      7. 401-600 milli-darcies
      8. 601-800 milli-darcies
      9. 801 milli-darcies - 1 darcie
      10. 1.001-1.5 darcies
      11. 1.501-2.0 darcies
      12. 2.001-2.5 darcies
      13. 2.501-3.0 darcies
    2. Porosity:
      1. 5%-10%
      2. 11%-15%
      3. 16%-20%
      4. 21%-25%
      5. 26%-30%
    3. Petrography (range of values):
      1. Quartz (%)
      2. Phi Size (3.0-3.5)
      3. Feldspar (%)
      4. Heavy Metal (%)
      5. Thin Section
      6. Immature
    4. Color:
      1. Select from Color Pallette
    5. Rock Systems:
      1. Siliciclastic Rocks:
        SizeSedimentRock
        Over 2mmGravelConglomerate or Breccia
        1/16mm-2mmSandSandstone:
        __Quartzose Sandstone (Mainly Quartz)
        __Arkosic Sandstone (over 20% Feldspar)
        __Graywhacke (Poorly Sorted with Clay)
        1/256mm-1/16mmSiltSiltstone (Mudstone)
        Less than 1/256mmClayShale (Splits easily on Bedding planes)
      2. Carbonate Rocks:
        RockDescription
        Limestonecalcite, effervescence with dilute hydrochloric acid,
        biologic origin, and may conatin fossils
        Dolostone (Dolomite)effervescence after scrtching to produce powder,
        calcite replacement soon after burial
        Chertcomposed of chalcedony, named agate, flint, black chert, etc.
      3. Carbonates Evaporite Rocks:
        RockDescription
        Rock Saltcomposed of halite, recognized by cubic cleavage and taste,
        formed when seas evaporate
        Gypsumhydrous calcium sulfate, most common sulfate mineral,
        often interbedded with shales and limestones
        Chalksoft, white limestone formed by accumulation of shells of
        microscopic animals, effervescence with acid
        Diatomitesoft, white rock composed of the remains of microscopic plants,
        lacks effervescence
      4. Carbonate-Siliciclastic Rocks:
        RockDescription
        Coalderived from wood and plant tissues, intricate mixture of complex carbon molecules
        Iron Oxidesincludes ferric oxide (Hematite), ferrous oxide (Magnetite),
        hydrous iron oxides (Limonite), carbonate ore (Siderite), iron sulfide (Pyrite),
        iron titanate (Ilmenite), Taconite, and Iron Silicates
        Phospahate Rocksconsists largely or entirely of phospate minerals,
        calcium phosphates of the apatite group
        Bauxiteclaylike material, mixture of hydrated aluminum oxides,
        principal source of aluminum
        Potashvarious potassium compounts or salts, including potassium carbonate,
        potassium hydroxide, and potassium monoxide
    6. Lithofacies:
      1. Shale
      2. Shale and Sandstone
      3. Shale and Siltstone
      4. Shale and Limestone
      5. Shale, Sandy
      6. Shale, Silty
      7. Shale, Calcareous
      8. Shale, Carbonaceous
      9. Shale, Tuffaceous
      10. Siltstone
      11. Siltstone and Shale
      12. Siltstone and Sandstone
      13. Siltstone and Limestone
      14. Siltstone, Sandstone, and Shale
      15. Siltstone, Shaley
      16. Siltstone, Sandy
      17. Siltstone, Calcareous
      18. Siltstone, Tuffaceous
      19. Sandstone
      20. Sandstone and Shale
      21. Sandstone and Siltstone
      22. Sandstone and Limestone
      23. Sandstone, Shaley
      24. Sandstone, Silty
      25. Sandstone, Calcareous
      26. Sandstone, Dolomitic
      27. Sandstone, Conglomerate
      28. Limestone
      29. Limestone, Shaley
      30. Limestone, Sandy
      31. Limestone, Carbonac
      32. Limestone, Dolomitic
      33. Limestone, Marly
      34. Marl
      35. Chalk
      36. Dolomite
      37. Salt
      38. Anhydrite
      39. Gypsum
      40. Evaporites
      41. Evaporites and Limestone
      42. Evaporites, Shaley
      43. Shale, Evaporitic
      44. Basement
      45. Coal
      46. Coal, Shaley
      47. Shale, Coaly
      48. Sand, Coaly
      49. Coal and Shale and Sand
      50. Volcanics
    7. Grain Size:
      1. Boulder > 10 cm
      2. Pebble 10 mm - 10 cm
      3. Gravel 2 mm - 10 mm
      4. Sand 1/16 mm - 2 mm
      5. Silt 1/256 mm - 1/16 mm
      6. Clay < 1/256 mm
    8. Primary Sedimentary Structures Contemporaneous with Deposition:
      1. Physical Boundary:
        1. Discontinuity
        2. Synchronous
        3. Diachronous
      2. Lithofacies Boundary:
        1. Synchronous
        2. Diachronous
    9. Sedimentary Structure:
      1. Bedding Sets
      2. Bedding
      3. Laminae Sets
      4. Laminae
      5. Crossbedding
      6. Graded Bedding
      7. Tepee
    10. Paleo-Bathymetry and Paleo-Topography:
      1. Fluvial Deposits (Orange)
      2. Lacustrine (Orange)
      3. Intermountain (Orange)
      4. Shelf (Sand Dunes) (Orange)
      5. Erosional Surface (Orange)
      6. Coastal Plain (Linear) (Orange)
      7. Marine Deposits (Orange)
      8. Deltaic Plain (Bulge) (Orange)
      9. Bay
      10. Shoreline (0 meters)
      11. Fair Weather Wave Base (10 m+/-)
      12. Average Storm Wave Base (30 m+/-)
      13. Major Storm Wave Base (50 m+/-)
      14. Inner-Neuritic (0-120 feet)
      15. Mid-Neuritic (120-300 feet)
      16. Outer-Neuritic (120-300 feet)
      17. Upper-Bathyl (600-2,000 feet)
      18. Mid-Bathyl (2,000-4,000 feet)
      19. Lower-Bathyl (4,000-6,000 feet)
      20. Abyssal (6,000+ feet)
      21. Shelf
      22. Slope
      23. Ramp
      24. Growth Fault
      25. Basin
    11. Facies (Sub-Environment):
      1. Alluvial Fan Depositional Systems (Orange)
        1. Coursing Upward Facies (Orange)
      2. Braided River Depositional System (Orange)
        1. Gilbert of Fan Delta Facies (Progrades into a water Body) (Orange)
      3. Meandering River Depositional System (Orange)
        1. Flood Plain Facies (Orange)
        2. Channel Point Bar Facies (Orange)
      4. Eolian Depositional System (Orange)
        1. Dunes Orange
        2. ERG (aera between dunes) (Orange)
      5. Lacustrine Depositional Systems (Orange)
        1. Anoxic Facies (Orange)
      6. Fluvial Dominated Deltas (Highstand/Lowstand) (Orange)
        1. Distributary Channel Facies (Orange)
        2. Marsh Facies (Orange)
        3. Lagoon Facies (Orange)
        4. Distributory Mouth Bar Facies (Brown)
        5. Delta Slope Facies (Brown)
        6. Prodelta Facies (Gray)
        7. Slump Facies (Gray)
        8. Shingled turbidite Facies (Terracotta)
      7. Wave Dominated Deltas (Highstand/Lowstand (Brown)
        1. Dune Facies (Brown)
        2. Foreshore Facies (Brown)
        3. Upper Shoreface Facies (Brown)
        4. Lower Shoreface Facies (Brown)
        5. Transitional Facies (Brown)/li>
        6. Offshore Facies (Brown)
        7. Hemipelagic Facies (Gray)
        8. Slump Facies (Gray)
      8. Linear Clastic Shoreline Depositional System (Yellow)
        1. Basal Transgressive Sands (Yellow)
      9. Shallow Shelf Depositional System (Brown)
        1. Bar Margin Facies (Brown)
        2. Inter Bar Facies (Brown)
        3. Glaconitic Sand Facies (Yellow)
        4. Dolomite Sand Facies (Yellow)
      10. Leveed Channel and Overbank Depositional System (Brown)
        1. Apron Facies (Terricotta)
        2. Overbank Facies (Brown)
        3. Slump Facies (Terracotta)
        4. Channel Facies (Terracotta)
        5. Contourites (Terracotta)
        6. Abandonment Facies (Terracotta)
        7. Canyon Fill Facies (Terracotta)
        8. Basin Floor Facies (Terracotta)
      11. Basin Floor Fan Depositional System
        1. Hemipelagic Shale Facies (Gray)
        2. Debris Flow Facies (Terracotta)
        3. Thin Bedded Turbidite Facies (Terracotta)
      12. Pelagic Depositional System (Gray)
        1. Hemipelagic Terrigenous Facies (Gray)
        2. Red Clay Facies (Gray)
        3. Condensed Section Facies (Gray)
      13. Platform Margin Reef (Low Relief) Depositional System (Blue)
      14. Platform Margin Reef (High Relief) Depositional System (Blue)
      15. Shelf Margin (Low Relief) Depositional System (Blue)
      16. Shelf Margin (Intermediate Relief) Depositional System (Blue)
      17. Shelf Margin (High Relief) Depositional System (Blue)
      18. Platform Patch Reef Depositional System (Blue)
      19. Basin Pinnacle Reef Depositional System (Blue)
      20. Carbonate Ramp Depositional System (Blue)
  7. Exploration Catagories, Plays and Prospects:
    1. Source Rocks (Type of Organic Material)
    2. Seal Rocks (Pore Pressure, Type Seal, Thickness of Seal
    3. Reservoir Rocks (Porosity, Permeability)
    4. Structural Traps:
      1. Folds:
        1. anticline (convex upward)
        2. syncline (concave upward)
        3. symmetrical fold (vertical axial plane)
        4. asymmetrical fold (inclined axial plane and limbs dip in opposite directions)
        5. overturned fold (inclined axial plane and both limbs dip in same direction)
        6. recumbent fold (axial plane essentially horizontal)
        7. isoclinal fold (two limbs dip at equal angles in the same direction)
        8. fan fold (both limbs are overturned)
        9. monocline fold (plateaus, where bedding relatively flat, strata has locally steeper dip)
        10. homocline (strata that dip in one direction at a uniform angle)
        11. closed fold (deformation causes flowage of mobile beds so they thicken and thin)
        12. open fold (no flowage has taken place)
        13. drag folds (where competent beds slide past incompetent beds)
      2. Faults:
        1. normal fault
          1. parallel faults (multiple faults with same strike and dip)
          2. en e'chelon faults (short faults that overlap each other)
          3. peripheral faults (circular or arcuate faults bounding or part of circular area)
          4. radial faults (faults that radiate out from a point)
        2. thrust fault
          1. reverse fault
        3. strike-slip fault
      3. Salt Weld
    5. Stratigraphic Traps Not Adjacent to Unconformities:
      1. Current - Transported
      2. Eolian
      3. Deltaic
      4. Inter-Deltaic
      5. Shallow Marine
      6. Deep Marine
      7. Traps Not Current Transported
      8. Biogenic Carbonate
    6. Diagenetic:
      1. Non-Reservoir To Reservoir
      2. Replacement
      3. Leached
    7. Traps Adjacent To Unconformities (Below Unconformity):
      1. Seal Above Unconformity
      2. Mature Topography
      3. Old Topography
    8. Traps Adjacent to Unconformities (Above Unconformity)
    9. Combination Traps (Undifferentiated)

    8. This page is at: http://www.walden3d.com/Abbott/indexing.html

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