DCL-14-081, Diablo Canyon Units 1 and 2, Central Coastal California Seismic Imaging Project (Cccsip) Chapter 9, GEO.DCPP.TR.14.01 R0 App E Plates 07-31-14

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Diablo Canyon Units 1 and 2, Central Coastal California Seismic Imaging Project (Cccsip) Chapter 9, GEO.DCPP.TR.14.01 R0 App E Plates 07-31-14
ML14260A066
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Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 09/10/2014
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DCL-14-081
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200 0 Depth (feet)

Depth (feet) 400 600 800 1,200 1,000 1,400 1,600 200 0 400 600 800 1,200 1,000 1,400 1,600SHALE, very sandy, broken, brown (5 feet)

SHALE, medium graySHALE, gray, sandy SHELL, hard lime shellSHALE, gray, organic, thin shellsSHALE, gray, laminated SHALE, gray and brown SHALE, hard, brown, asphalt streaks SAND containing asphalt SHALE and SAND, alternate streaks of shale and gray sand containing asphalt SHALE, hard, gray with streaks of sand (22 feet)

SHALE, hard, with thin shellsSAND, gray, thin lime shells (21 feet)

SHALE, brown, hard streaks SHALE, brittle brown (9 feet)SHALE, brittle, sandy, brown SHELL, lime shell and brown shale (12 feet)SHELL, hard lime and brown SHALE (19 feet)SHALE, sandy, sticky SHALE, hard with thin shells SHELL, hard limestone and brittle shale (8 feet)

SHALE, sandy and SAND SAND, water and streaks of bentonite (24 feet)

SAND, water SAND, gray water (19 feet)

Sand, gray water (5 feet; 4 feet)

SERPENTINE, true (6 feet)

Surface washSHALE, gray, fractured SHALE, brown, fractured SHALE, gray banded, fractured SHALE, tough, stickySHALE, hard brown, fractured SHELL, very hard Sand, hard with streaks serpentine CS CS CS CS CS CS CS CS CST.D.1,575 feet CS CS CS CS CS CS x2 Alluvium Pismo Formation, Miguelito Member Pismo Formation, Edna Member orVaqueros Formation Franciscan Complex Serpentinite 0 0 36 100 1,047 1,565 1,486 1,575 Pismo Formation, Miguelito Member or Monterey Formation Pismo Formation, Miguelito Member or Monterey Formation or Rincon Formation 100 725 833Gray SILTSTONEand brown shale, cherty, with radiolaria

and sponge spicules Not logged B. marginata at 504 feet Silty SANDSTONEand sandy SILTSTONEGray-brown SILTSTONE, with chert and tar sand, radiolaria and sponge

spicules Brown to gray-brownSILTSTONE and shale, radiolaria and sponge

spicules Silty SAND, streak of bentonite, limestone at base 1,047 1,486 1,564 AlluviumVaqueros Formation Franciscan Formation Pismo Formation, Miguelito Member Monterey (or Rincon?)

Formation 0 36 925 1,075 1,510 1,565 1,575 Pismo Formation, Edna Member 1,565 1,575 Franciscan Formation Serpentine Monterey and Pismo Formations CS = core sample (X feet) = recovery Samples Lithology Log and Core Record Paleontology Report PreferredFormation Picks Hall (1982)CaDOGGR (R. Brunetti)

Stratigraphic InterpretationsYear drilled: 1937 Total depth: 1,575 feetElevation, top of well: Approximately 317 feet Location (NAD 83, State Plane Zone V, feet): 5708328 E 2305966 N

Owner: Gretna Corporation API 07900247 P acific Gas and El ectric CompanyPLATE E 1 Log of the Maino-Gonzales 1 Well File Path: S:\1005\020\QA_GIS\Final_Figures\Plate_E1.ai; Date: 05/29/2014; User: Alex Remar DCPP GEOLOGIC MAPPING PROJECT 2,200 2,400 2,000 1800 1600 2,600 2,800 1,200 1,400 1,000 800 600 400 200 0 2,200 2,400 2,000 1800 1600 2,600 2,800 1,200 1,400 1,000 800 600 400 200 0 Depth (feet)

Depth (feet)Drilled by Painted Hills Oil Association (1927) 0 to 2,287 feet (No data available)

SHELL SAND, hard SHALE, hard brown (2 feet)

SHALE, hard brown SHALE, hard brown with streaks of sand SHALE, hard brown (3 feet)

SHALE, hard brown SHALE, fractured, brown to gray (3 feet)

SHALE, hard, light brown to gray Dark and light brown banded platey silt shale Dark and light brown banded platey silt shale Dark and light brown banded platey silt shaleT.D.2,745 feet CS CS CS Pismo Formation, Miguelito Member possibly containing contact with Monterey Formation Pismo Formation, Miguelito Member or Monterey FormationYear(s) drilled: 1927, 1937 Total depth: 2,745 feetElevation, top of well: Approximately 176 feet Location (NAD 83, State Plane Zone V, feet): 5701151 E 2299328 N Owner: 1927 Painted Hills Oil Association, 1937 A.O. Lewis API 07900310 P acific Gas and El ectric CompanyPLATE E 2 Log of the Pecho 1 Well File Path: S:\1005\020\QA_GIS\Final_Figures\Plate_E2.ai; Date: 04/18/2014; User: Alex Remar DCPP GEOLOGIC MAPPING PROJECT CS = core sample (X feet) = recovery Samples Lithology Log and Core Record Paleontology Report Stratigraphic Interpretation PreferredFormation Picks 200 0 Depth (feet) 400 600 800 1,200 1,000 1,400 1,600 1,800 Depth (feet) 200 0 400 600 800 1,200 1,000 1,400 1,600 1,800 CS CS CS Unconformity Pismo Formation, Squire, Bellevue, and/or Gragg Members or Careaga FormationVaqueros Formation or Franciscan Complex graywacke Pismo Edna or Monterey Fm. orVaqueros Fm. or Franciscan sandstone Aeolian deposits Quaternary alluvium????Serpentinite 0 210 820 1,520 1,745 1,610 1,749 Pismo Formation, Miguelito Member and/or Edna Member or Monterey Formation Pismo Formation, Miguelito Member or Monterey Formation Coarse gravel, 201 to 210 feet*

SAND Very sandy with bulimina and spicules SAND SHALE LIMESTONE LIMESTONE and SANDSTONE Fine, sandy SILTSTONE, Mohnian fauna, dip 25°-48° Sand, 785 to 795 feet*

SAND with shale fragments SHALE, brown, with Lower Mohnian fauna SHALE SANDSTONE and LIMESTONE SANDSTONE, medium coarse to coarse, varicolored with pink

radio. chert SANDSTONE, "basement debris" at 1560 feet

Mohnian fauna Sandy shale (?) with Mohnian fauna Serpentine, 1,745 to 1,749 feetT.D.1,749 feet Hall (1982, 2 01 1)Monterey Formation?

Paso Robles/Pismo Franciscan Formation (greywacke)

Serpentinite 0 1,300 780 1,745 1,749 CaDOGGR (R. Brunetti)

Pismo Formation Paso Robles 0 1,295?1,550 Franciscan Formation?

Miocene?Stratigraphic Interpretations CS = core sample Electric Log Preferred Formation Picks Samples Lithology Log and Core Record Paleontology ReportYear drilled: 1953 Total depth: 1,749 feetElevation, top of well: Approximately 527 feet Location (NAD 83, State Plane Zone V, feet): 5709459 E 2307902 N

Owner: William H. Provost API 07900380 P acific Gas and El ectric CompanyPLATE E 3 Log of the Spooner 1 Well File Path: S:\1005\020\QA_GIS\Final_Figures\Plate_E3.ai; Date: 04/18/2014; User: Alex Remar DCPP GEOLOGIC MAPPING PROJECT 200 0 400 600 800 1,200 1,000 1,400 1,600 1,800 2,200 2,000 2,400 2,600 2,800 3,200 3,000 3,400 3,600 3,800 4,200 4,000 4,400 4,600 4,800 5,200 5,000 5,400 5,600 5,800 6,000 Depth (feet)

Depth (feet) 200 0 400 600 800 1,200 1,000 1,400 1,600 1,800 2,200 2,000 2,400 2,600 2,800 3,200 3,000 3,400 3,600 3,800 4,200 4,000 4,400 4,600 4,800 5,200 5,000 5,400 5,600 5,800 6,000 CS CS CS CS CS CS CS CS CS CS CS CS CSSILT SHALE, with minor dolomite, limestone and chertSILT SHALE, clay shale, and limestone, with minor dolomite and chertLIMESTONE and SILT SHALE, with minor dolomite, clay shale, and chertSILT SHALE, thinly bedded and DOLOMITE, massive, with minor chert SILT SHALE, gray and brown interbedded with 10% to 35% dolomite; minor amounts of chert, bentonite, sandstone, and clay shaleSILT SHALE, with 10% to 40% DOLOMITE and 5% to 35% chertSILT SHALE and DOLOMITE, interbedded, with minor siltstone and local trace chert

and quartz vein materialSILT SHALE, with minor siltstone and chertSILT SHALE and DOLOMITE, interbedded, with up to 25%

clay; minor siltstone, traces of chert, calcite, quartz vein

material,and bentonite (below 1,880 feet)SILT SHALE with DOLOMITE, interbedded with traces

siltstone and chert; frequent bentonite inclusionsSILT SHALE and DOLOMITE, interbedded and

locally intergrading, chert lenses, trace to 30% clay

shale; small amounts of calcite, quartz vein materialSILT SHALE grades locally to CLAY SHALE; local traces of chert, bentonite, and calcite vein materialSILT SHALE with 10% to 25% interbedded dolomite; local traces of chert, bentonite, and calcite vein materialSILT SHALE with DOLOMITE, interbeddedSILT SHALE and DOLOMITE, interbedded, local traces of chert, calcite vein material, bentonite, and pyriteSILT SHALE and DOLOMITE, interlaminated, locally small amount of clay shale; local traces of chert, calcite vein material, bentonite, and pyriteSILT SHALE and DOLOMITE, interbedded, with local traces of chert, calcite vein material, and bentoniteSILT SHALE, 5% to 25% bentonite; minor amount dolomite; traces of calcite vein material and sandstone DOLOMITE and SILTSTONE, interbedded, siltstone grades to silt shale, minor bentonite, and sandstone TUFF, bluish gray to greenish, locally vitric, locally crystalline, varying amounts of bentonite

and small amount of sandstoneTUFF, bluish gray, soft to moderately

hard, massive (11/11 feet)

(7/8 feet)

(6/6 feet)

(5.5/6 feet)

DOLOMITE with occasional laminae of silt shale DOLOMITE with minor silt shale, trace bentoniteDOLOMITE and SILT SHALE, minor siltstone, clay shale, and bentoniteCLAY SHALE and silt shale, clay shale, and dolomite, interbedded (9/16 foot)SILT SHALE (70%) and DOLOMITE (30%), interbedded with chert lenses (3/17 feet)SILT SHALE and DOLOMITE, interlaminated (8/8 feet)DOLOMITE and SILT SHALE, finely interlaminated, locally fractured and brecciated, recemented with

calcite; occasional slickensides (4/5 feet)SILT SHALE (70%) and DOLOMITE (30%), interbedded

(7/9 feet)DOLOMITE and SILT SHALE, interbanded (0.5/15 feet)DOLOMITE and SILT SHALE, interbanded (0.17/16 feet)TUFF, agglomeratic (11/12 feet)

TUFF with OBSIDIAN TUFF SILTSTONESILTSTONE, grayish brown, massive, soft to moderately hard, clayey, micaceous, with foraminifera

and gasTUFF, bluish gray and greenish gray, massive, firm to soft, lithic and crystalline, with moderate amount of

siltstone decreasing to trace below 5,860 feet; local

traces bentonite and obsidian (continued on Plate E4b)

S25W 69°S25W 69°S17W 67°S18°W 72°S16°W 75°80°South 67°67° to 70° S05°E 36°S18°W 66°85° to 90° N47°W 61°S56°E 73°S04°E 55°S82°W 37°67°70°S35°W 47°S14°W 71°45° to 52° N17°W 70°N65°E 43°N78°E 25°N63°E 51°N44°E 29°57°(direction

illegible)Scattered slickensides dipping 35°;

contorted silt shale laminations dipping

80° to 85° 600 to 4,720 feet tan to gray-brown siliceous and limey shale, no

identifiable forams 20 to 560 feet porcelaneous shale, rare forams, Mohnian stageCalcite vein suggests questionable 60° dipContorted beds with poor dips 56° to 90°,

dominantly 80°; small fault zones to 1 inch

filled with calcite-cemented angular

fragments; occasional poorly formed

slickensides "probably roughly parallel to

dip"Fractures dipping 10° to 90°, commonly filled with gouge, bentonite, or calcite, brecciated, slickensided; scattered pyrite

inclusionsDips 70° to 80° filled with dolomite

40° parting planes.

Common small slickensides Partings suggest very poor 43° to 45° dips Foraminifera indicate Zemorrian stage.

Moderate to prominent fractures and

slickensides Possible fault at 5,400 feet based on

bedding attitude change, contorted

beds, slickensides, and partings Lithology Log and Core Record Dip Log CS = core sample

SS = sidewall sample Samples Explanation Dip survey reliability:

dip direction/dip angle White circle = poor/possibility Gray circle = weak

Black circle = fair to excellent Structure and Palentology NotesBedding Attitudes Electric Log 1958Formation Picks PreferredFormation Picks Stratigraphic Interpretations Note: (6/17 feet)(recovery/core run)

Hall (1982)

Note: Data in italics are from Log and Core Record (dip angle only).

Upper Monterey Shale Pismo Formation, Miguelito Member possibly containing contact with Monterey Formation Monterey Formation Lower Monterey Shale Point Sal Formation ObispoTuff Rincon Shale SecondTuff Fault?Fault?Probable fault contact 1,037 4,363 4,722 5,370 5,546 1,037 4,363 4,722 5,370 5,546 Obispo FormationTuff and Resistant member (Tmor)Obispo Formation Fine-Grained (Tmof)Rincon Formation or Obispo Formation Obispo Formation (continues on Plate E4b)(continues on Plate E4b)

Pismo Formation Miguelito Member Point Sal Formation Obispo Formation 4,364 4,722 5,370 5,546 Rincon Shale ObispoTuff 100 Monterey FormationYear drilled: 1958 Total depth: 10,788 feet Elevation, top of well: Approximately 1,642 feet Location (NAD 83, State Plane Zone V, feet): 5732018 E 2282071 N Owner: Honolulu Oil Corporation, purchased by Chevron Texaco Exploration and Production Co.

API 07900477 P acific Gas and El ectric CompanyPLATE E4a Log of the Honolulu-Tidewater 1 Well DCPP GEOLOGIC MAPPING PROJECT File Path: S:\1005\020\QA_GIS\Final_Figures\Plate_E4a.ai; Date: 04/18/2014; User: Alex Remar (continues on Plate E4b) 6,200 6,000 6,400 6,600 6,800 7,200 7,000 7,400 7,600 7,800 8,200 8,000 8,400 8,600 8,800 9,200 9,000 9,400 9,600 9,800 10,200 10,000 10,400 10,600 10,800 6,200 6,000 6,400 6,600 6,800 7,200 7,000 7,400 7,600 7,800 8,200 8,000 8,400 8,600 8,800 9,200 9,000 9,400 9,600 9,800 10,200 10,000 10,400 10,600 10,800 Depth (feet)

Depth (feet)TUFF, light gray to bluish gray, laminated, hard to softVolcanic breccia (0.3 foot) and TUFF (4.5/5 feet)

TUFF, light gray, laminated, hard, fine grained, with trace siltstone and silt shaleSILTSTONE and TUFFSILTSTONE (5 feet); SILT SHALE (1 foot) (6/9 feet)SILTSTONE, dark grayish brown, massive, hard, clayey, with foraminiferaCobble(?) of tuff breccia; unidentifiable

foraminifera; very poorly preserved

foraminifera (one rotalid, one tabular form)SILT SHALE and CLAYSTONE, interbedded (2.5/9 feet)SILTSTONE and CLAYSTONE, with minor amounts of various tuffsMinor dolomite and tuffOccasional fractures dipping 79° to 83°,

some with small offsets or thin calcite

coatingsSILTSTONE and SILT SHALE, laminated, with

laminations and lenses of DOLOMITESILTSTONE, with minor dolomite and tuffSILTSTONE, with minor dolomite and trace tuffSILTSTONE, very dark grayish brown, massive, very hard, limey and dolomitic (4.5/7 feet) Very rare, small slickensidesSILTSTONE grading locally to dolomite; 10% to 30% tuff; occasionally with poorly preserved

foraminiferaTUFF (0.5 foot) and SILTSTONE, abundant calcite veins; scattered poorly preserved foraminifera

(5.5 feet) (6/6 feet)Finely slickensided fractures with 18° to 55° dips, predominantly 18°SILTSTONE, very dark gray, massive, hard, trace

to 25% sandstone and calcite vein materialSILT SHALE, with trace to 15% tuff; local traces of sandstone, calicite vein material, and silt shaleSILT SHALE, thinly bedded, very hard, clayey, fairly well preserved calcareous foraminifera, including

large rotalid forms; slightly dolomitic (2/6 feet)

No recoverySILT SHALESILT SHALE (0.67 foot) and TUFF (0.33 foot) (1/9 feet)SILT SHALESILT SHALE (5/9 feet)SILT SHALE, dark grayish brown, massive, locally internally slickensided; trace to 25%

siltstone; trace to 10% tuff; trace calcite vein

material; common calcite veinlets (change in dip direction = fault?)

8,800 to 8,845 feet: foraminifera indicate Lower Miocene, probably Saucesian or

Zemorrian stage 7,300 to 7,800 feet: foraminifera indicate Saucesian stage 6,800 to 7,120 feet: foraminifera indicate Miocene strata Locally common slickensidesLocally common slickensides; minor tuff and trace dolomite Common fractures, slickensides Common slickensides on fracturesSILT SHALE, dark grayish brown, thinly bedded, hard (1.5/13 feet)SILT SHALE, with minor tuff and trace dolomiteSILT SHALE, with calcite veinlets; trace tuffSILT SHALE, with minor tuffSILT SHALE, dark grayish brown, massive, very hard (2.5/15 feet)SILT SHALE, with local sandstone and minor amountof tuff and limestone; locally with occasional megafossil fragments; trace tuffVery rare, very poorly preserved

foraminifera(?)

10,696 feet: foraminifera indicate Lower Miocene Multiple closely spaced core and sidewall samples; data too dense to show

graphically; no significant changes in

lithology or structureSILT SHALE, with minor amount of tuff; local trace

limestone; trace sandstoneTUFF, lightly brownish gray to white, finely crystalline, with silt shale in large fragments; local trace sandstoneTUFF and SILT SHALE, (30 to 40%) with trace calcite vein materialSILT SHALE (0.5 foot); TUFF (3 feet) (3.5/6 feet)TUFF, bluish gray, massive, fine grained, soft, with minor silt shale TUFF TUFFTUFF (3.33 feet); SILT SHALE (0.17 feet) (3.5/6 feet)

CS CS CS CS CS CS CS CS CS CS CS SS CS CS CS x1 SS x6T.D.10,788 feet Bedding-parallel partings with slickensides on some parting faces S54°E 51°52°N27°W 50°N17°W 76°50° to 78° S80°E 65°N86°E 50°28° to 36° S65°E 45°30° to 32° N42°W 43°N12°E 80°N08°E 82°N13°E 73°N53°W 57°62°S37°E 47°S16°E 34°N30°E 55°N28°E 60°North 71°N09°W 16°S40°W 66°S01°E 60°S30°W 51°S47°E 22°65°S54°E 56°N49°W 42°62° to 78° N29E 44°N43°E 54°N50°E 37°S18W 46°16° to 30° 5° to 10°N61°E 61°N40°W 33°N26°E 39°N29°E 28°S79°W 22°44°41°45°6,354 10,174 10,788 Hall (1982) 6,354 10,174 10,788 Obispo Formation Obispo Formation Rincon Shale (Obispo Formation?)

Obispo Formation Obispo Formation or Rincon Formation SecondTuff Second Rincon(?)Shale ThirdTuff(continued from Sheet 1)(continued from Sheet 1)(continued from Sheet 1)

Rincon Formation or Obispo Formation Possible fault contact 6,354 10,174 10,788 PreferredFormation Picks 1958Formation Picks Structure and Palentology NotesBedding Attitudes Electric Log Stratigraphic Interpretations Lithology Log and Core Record CS = core sample SS = sidewall sample Samples Note: (6/17 feet)(recovery/core run)

S25W 69°Dip Log Explanation Dip survey reliability:

dip direction/dip angle White circle = poor/possibility Grey circle = weak

Black circle = fair to excellent Note: Data in italics are from Log and Core Record (dip angle only).

P acific Gas and El ectric Company API 07900477PLATE E4b Log of the Honolulu-Tidewater 1 Well DCPP GEOLOGIC MAPPING PROJECT File Path: S:\1005\020\QA_GIS\Final_Figures\Plate_E4b.ai; Date: 04/18/2014; User: Alex RemarYear drilled: 1958 Total depth: 10,788 feet Elevation, top of well: Approximately 1,642 feet Location (NAD 83, State Plane Zone V, feet): 5732018 E 2282071 N Owner: Honolulu Oil Corporation, purchased by Chevron Texaco Exploration and Production Co.

200 0 400 600 800 1,200 1,000 1,400 1,600 1,800 2,200 2,000 2,400 2,600 2,800 3,200 3,000 3,400 3,600 3,800 4,200 4,000 4,400 4,600 4,800 5,200 5,000 5,400 5,600 5,800 6,000 200 0 400 600 800 1,200 1,000 1,400 1,600 1,800 2,200 2,000 2,400 2,600 2,800 3,200 3,000 3,400 3,600 3,800 4,200 4,000 4,400 4,600 4,800 5,200 5,000 5,400 5,600 5,800 6,000 Depth (feet)

Depth (feet)

SHALE and limestone, hard brownish gray to dark brown calcareous shale with 1/2" band of siliceous limestone

(1/17ft.)SHALE, LIMESTONE and TUFF(?), firm, brown, with hard

limestone and small amount of cherty limestone, thin streaks of light gray fine-grained tuff (?) (2 /12 ft.)

SHALE, calcareous, interbedded with siliceous LIMESTONE and smaller amounts of chert, making up

25% of the core (1/7 ft.) (0.4/10 ft.)LIMESTONE, light brown, argillaceous, with bands of darker calcareous shale, siliceous cherty limestone, and

chert; some brecciation, recementation and slickensides

(1.5/4 ft.)SHALE and LIMESTONE, interbedded, brown, few slickensides and fish remains (1.5/4 ft.) TUFF, firm, light gray, fine-grained with coarse crystalline beds and dark shale inclusions (107/105 ft.)

Cored, no recovery (0/57 ft.) TUFF, firm to hard, light gray and light green (0.6 /11 ft.)TUFF, hard, light gray and some light green, bentonitic (57.5/91 ft.)SHALE and TUFF, hard, dark brown, calcareous shale with streaks of sandstone and bed of bentonitic tuff (4/8 ft.)TUFF, very hard, fine-grained, light gray with thin green fracture fillings (2/2 ft.)SHALE and TUFF, hard, dark brown, calcareous shale with streaks of sandstone and bed of bentonitic tuff (4/8 ft.)

SHALE and TUFF, hard, dark brown, with zone ofsandstone and bed of tuff, numerous slickensides (6/17 ft.)SANDSTONE, very fine-grained, very calcareous, with dense, very hard, vitric tuff or chert (2/ 9 ft.)TUFFACEOUS SHALE, hard, gray to brown, calcareous, with glauconite and pyrite (14/24 ft. )SHALE, dark brown, with sandy tuff and tuffaceous shale (7/8 ft.)SHALE, hard, dark-brown, massive (18/18 ft.) TUFF, fairly hard light gray to greenish gray, fine-grained, with bentonite (6/6 ft.)

TUFF ? fragments (5/21 ft.)SANDSTONE, hard, dense, and SHALE, gougy, slickensided (5/29 ft.) TUFF, hard, greenish to reddish brown, vitric (4/8 ft.)SHALE, hard, dark gray, with inclusions of sandstone, limestone, and tuff, highly slickensided with sheared contacts (3.5/11 ft.) TUFF, hard, vitric, and GOUGE, some tuff softer and devitrified (5/7 ft.)SHALE, hard, dark gray, to sandy light gray (0.25/10 ft.)SANDSTONE, very hard, dense, with some shale, slickensided shale, and tuff (3/9 ft.) T.D.6,146 feet 70°90°20°53°-80°50°?35°-50°0°-15°Slickensided fractures common

below 5,093 feet 70°2,950 to 6,146 feet 2,950 to 6,146 feet Note: (6/17 ft.)

Dip (no azimuth

provided)(recovery/core run)

Dips from log and core record Lithology Bedding AttitudesDriller's Notes Stratigraphic Interpretations Electric Log Micro Log PreferredFormation Picks Hall (1982)CaDOGGR (R. Brunetti)

Log and Core Record Obispo Formation Obispo Formation and/or Rincon Formation 1,700??3,800 4,972 6,146 Pismo Formation, Miguelito Member possibly containing contact with Monterey Formation Monterey Formation, possibly containing contact with Pismo Formation Miguelito Member Monterey Formation Obispo Formation Obispo Formation Rincon Shale Fault 3,800 200 6,146 5,070 5,155 Pismo Formation Monterey Formation Obispo Formation Franciscan?

4,656 6,146 Pismo Formation 3,875Year drilled: 1954 Total depth: 6,146 feetElevation, top of well: Approximately 381 feet Location (NAD 83, State Plane Zone V, feet): 5700463 E 2293800 N Owner: TideWater Associated Oil Company, purchased by Chevron Texaco Exploration and Production Co.

API 07900478 P acific Gas and El ectric CompanyPLATE E 5 Log of the Montadoro 1 Well File Path: S:\1005\020\QA_GIS\Final_Figures\Plate_E5.ai; Date: 04/18/2014; User: Alex Remar DCPP GEOLOGIC MAPPING PROJECT

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