Table 1. Summary of information for selected drill holes in the eastern Phoenix basin, Arizona
36
Lithologic Summary
Drill
Hole
Drilling
Method
Elev.
(feet
amsl)
Total
Depth
(in feet)
Depth to
(Elev. of)
Base of SRG
(in feet)
Depth to
(Elev. of)
Base of BF
(in feet)
Depth (in
feet) Unit
Source of
Data
A Reverse Air
Circulation
Percussion
Hammer
1118 108 95 (1023) NE 0 @ 10
10 @ 95
95 @ 108
Uppermost alluvium
Salt River Gravels
Camels Head Formation
L
B Reverse Air
Circulation
Percussion
Hammer
1122 130 105 (1017) 130 (992) 0 @ 10
10 @ 105
105 @ 130
130
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Camels Head Formation
C
C Reverse Air
Circulation
Percussion
Hammer
1112 159 120 (992) 156 (956) 0 @ 10
10 @ 120
120 @ 156
156 @ 159
Uppermost alluvium
Salt River Gravels
Basin Fill (sandstone and breccia)
Camels Head Formation
L
D Reverse Air
Circulation
Percussion
Hammer
1116 70 55 (1061) NE 0 @ 55
55 @ 70
Salt River Gravels
Camels Head Formation
L
F Reverse Air
Circulation
Percussion
Hammer
1113 59 54 (1059) NE 0 @ 10
10 @ 54
54 @ 59
Uppermost alluvium
Salt River Gravels
Weathered bedrock or Camels Head Formation
C
G Reverse Air
Circulation
Percussion
Hammer
1113 59 54 (1059) NE 0 @ 10
10 @ 54
54 @ 59
Uppermost alluvium
Salt River Gravels
Camels Head Formation
L
H Reverse Air
Circulation
Percussion
Hammer
1113 130 90 (1023) NR 0 @ 15
15 @ 90
90 @ 130
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
L, C
I Reverse Air
Circulation
Percussion
Hammer
1116 99 85 (1031) NE 0 @ 10
10 @ 85
85 @ 99
Uppermost alluvium
Salt River Gravels
Weathered bedrock and Camels Head Formation
L
J Reverse Air
Circulation
Percussion
Hammer
1118 76 75 (1043) NE 0 @ 10
10 @ 75
75 @ 76
Uppermost alluvium
Salt River Gravels
Camels Head Formation
L
K Reverse Air
Circulation
Percussion
Hammer
1108 122 115 (993) NR 0 @ 10
10 @ 115
115 @ 122
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)?
L
Table 1. Summary of information for selected drill holes in the eastern Phoenix basin, Arizona
37
Lithologic Summary
Drill
Hole
Drilling
Method
Elev.
(feet
amsl)
Total
Depth
(in feet)
Depth to
(Elev. of)
Base of SRG
(in feet)
Depth to
(Elev. of)
Base of BF
(in feet)
Depth (in
feet) Unit
Source of
Data
L Reverse Air
Circulation
Percussion
Hammer
1117 100 90 (1027) NR 0 @ 90
90 @ 100
Salt River Gravels
Basin Fill (fine grained)
C
M Reverse Air
Circulation
Percussion
Hammer
1115 57.5 52 (1063) NE 0 @ 52
52 @ 57.5
Salt River Gravels
Camels Head Formation
L
ASE-19B Rotosonic 1121 145 89 (1032) 135 (986) 0 @ 9
9 @ 89
89 @ 115
115 @ 125
125 @ 135
135 @ 145
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (conglomerate)
Basin Fill (sandstone)
Tempe Formation: 30 @ 40°
C
ASE-20B Rotosonic 1121 144 98 (1023) 133 (988) 0 @ 6
6 @ 98
98 @ 118
118 @ 122
122 @ 133
133 @ 144
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (conglomerate)
Basin Fill (sandstone and breccia)
Camels Head Formation: 30°
L, C
ASE-21C Air Rotary 1123 174 80 (1043) 133 (990) 0 @ 10
10 @ 80
80 @ 123
123 @ 133
133 @ 174
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (sandstone and breccia) or weathered bedrock
Camels Head Formation
C
ASE-22B Rotosonic 1115 143 116 (999) 133 (982) 0 @ 7
7 @ 83
83 @ 116
116 @ 128
128 @ 133
133 @ 143
Uppermost alluvium
Salt River Gravels
Salt River Gravels: weakly cemented
Basin Fill (fine grained): conglomerate at 124 @ 126'
Basin Fill (sandstone and breccia) or weathered bedrock
Camels Head Formation
C, L
Table 1. Summary of information for selected drill holes in the eastern Phoenix basin, Arizona
38
Lithologic Summary
Drill
Hole
Drilling
Method
Elev.
(feet
amsl)
Total
Depth
(in feet)
Depth to
(Elev. of)
Base of SRG
(in feet)
Depth to
(Elev. of)
Base of BF
(in feet)
Depth (in
feet) Unit
Source of
Data
ASE-23B Rotosonic 1114 216 126 (988) 186 (928) 0 @ 7.5
7.5 @ 75
75 @ 126
126 @ 135
135 @ 140
140 @ 172
172 @ 186
186 @ 216
Uppermost alluvium
Salt River Gravels
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (conglomerate)
Basin Fill (fine grained)
Basin Fill (sandstone and breccia): caliche at 183 @ 186'
Camels Head Formation: 35 @ 40° at 210'
C
ASE-24C Air Rotary 1118 180 91 (1027) 127 (991) 0 @ 5
5 @ 91
91 @ 100
100 @ 103
103 @ 115
115 @ 120
120 @ 127
127 @ 180
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (conglomerate)?
Basin Fill (fine grained)
Basin Fill (conglomerate)
Basin Fill (sandstone)
Camels Head Formation
C
ASE-25C Air Rotary 1115 95 40 (1075) NE 0 @ 40
40 @ 95
Salt River Gravels
Camels Head Formation: 30 @ 40°
L, C
ASE-26A Rotosonic 1114 97 NR NE 0 @ 11
11 @ 97
Uppermost alluvium
Salt River Gravels
L
ASE-27A Air Rotary 1114 94 NR NE 0 @ 7
7 @ 40
40 @ 63
63 @ 94
Uppermost alluvium
Salt River Gravels
Salt River Gravels: silty
Salt River Gravels: mostly fine grained
L, C
ASE-28A Air Rotary 1108 90 NR NE 0 @ 5
5 @ 90
Uppermost alluvium
Salt River Gravels
L
ASE-29A Air Rotary 1116 87 62 (1054) 86 (1030) 0 @ 10
10 @ 62
62 @ 65
65 @ 86
86 @ 87
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (sandstone and breccia)
Camels Head Formation
C
ASE-30A Air Rotary 1111 87 NR NE 0 @ 3
3 @ 87
Fill
Salt River Gravels
L
Table 1. Summary of information for selected drill holes in the eastern Phoenix basin, Arizona
39
Lithologic Summary
Drill
Hole
Drilling
Method
Elev.
(feet
amsl)
Total
Depth
(in feet)
Depth to
(Elev. of)
Base of SRG
(in feet)
Depth to
(Elev. of)
Base of BF
(in feet)
Depth (in
feet) Unit
Source of
Data
ASE-31A Air Rotary 1108 90 NR NE 0 @ 7
7 @ 90
Uppermost alluvium
Salt River Gravels
L, C
ASE-32A Air Rotary 1112 92 NR NE 0 @ 10
10 @ 92
Fill and uppermost alluvium
Salt River Gravels
L, C
ASE-33A Air Rotary 1113 93 NR NE 0 @ 93 Salt River Gravels: moderately cemented sandstone
at 56' and 78'
L, C
ASE-34A Air Rotary 1111 100 NR NE 0 @ 17
17 @ 100
Uppermost alluvium
Salt River Gravels
L, C
ASE-35A Air Rotary 1109 100 NR NE 0 @ 7
7 @ 100
Uppermost alluvium
Salt River Gravels
L, C
ASE-37A Air Rotary 1121 112 82 (1039) 108 (1013) 0 @ 20
20 @ 82
82 @ 106
106 @ 108
108 @ 112
Fill and uppermost alluvium
Salt River Gravels
Basin Fill (fine grained and cemented sandstone)
Basin Fill (sandstone and breccia): strongly cemented
Camels Head Formation
C, L
ASE-38A Rotosonic 1121 112 80 (1041) 110 (1011) 0 @ 8
8 @ 80
80 @ 89
89
89 @ 102
102 @ 108
108 @ 110
110 @ 112
Uppermost alluvium
Salt River Gravels: cemented 70 @ 75'
Basin Fill (fine grained)
Basin Fill (conglomerate)
Basin Fill (fine grained)
Basin Fill (sandstone and breccia)
Basin Fill (fine grained) and weathered bedrock
Camels Head Formation
C
ASE-39A Rotosonic 1121 105 85 (1036) 98 (1023) 0 @ 6
6 @ 78
78 @ 85
85 @ 93
93 @ 98
98 @ 105
Uppermost alluvium
Salt River Gravels
Salt River Gravels: cemented sandstone
Basin Fill (sandstone and breccia)
Basin Fill (fine grained)
Strongly cemented sandstone (Basin Fill sandstone and breccia or Camels Head Formation)
C, L
Table 1. Summary of information for selected drill holes in the eastern Phoenix basin, Arizona
40
Lithologic Summary
Drill
Hole
Drilling
Method
Elev.
(feet
amsl)
Total
Depth
(in feet)
Depth to
(Elev. of)
Base of SRG
(in feet)
Depth to
(Elev. of)
Base of BF
(in feet)
Depth (in
feet) Unit
Source of
Data
ASE-40B Rotosonic 1119 130 93 (1026) 125 (994) 0 @ 8
8 @ 93
93 @ 115
115 @ 125
125 @ 130
Fill and uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (sandstone)
Uppermost Camels Head Formation
C, L
ASE-41B Rotosonic 1119 140 97 (1022) 126 (993) 0 @ 7
7 @ 97
97 @ 112
112 @ 126
126 @ 140
Fill and uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (conglomerate)
Camels Head Formation
C, L
ASE-42C Rotosonic 1116 95 62 (1054) NE 0 @ 16
16 @ 62
62 @ 95
Fill and uppermost alluvium
Salt River Gravels
Camels Head Formation: 45 @ 50°
L, C
ASE-43B Rotosonic 1121 143 100 (1021) 134 (987) 0 @ 7
7 @ 100
100 @ 116
116 @ 123
123 @ 134
134 @ 143
Fill and uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (conglomerate)
Weathered bedrock or Basin Fill (silt, sand, and breccia)
Camels Head Formation
L
ASE-43C Rotosonic 1121 220 102 (1019) 134 (987) 0 @ 7
7 @ 102
102 @ 117
117 @ 122
122 @ 130
134 @ 220
Fill and uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (conglomerate)
Weathered bedrock
Camels Head Formation: 30 @ 40°
C, L
ASE-44B Rotosonic 1122 139 95 (1027) 130 (992) 0 @ 5
5 @ 95
95 @ 115
115 @ 121
121 @ 130
130 @139
Fill
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (conglomerate)
Weathered bedrock
Camels Head Formation
C, L
Table 1. Summary of information for selected drill holes in the eastern Phoenix basin, Arizona
41
Lithologic Summary
Drill
Hole
Drilling
Method
Elev.
(feet
amsl)
Total
Depth
(in feet)
Depth to
(Elev. of)
Base of SRG
(in feet)
Depth to
(Elev. of)
Base of BF
(in feet)
Depth (in
feet) Unit
Source of
Data
ASE-45B Rotosonic 1121 128 91 (1030) 126 (995) 0 @ 8
8 @ 91
91 @ 126
126 @ 128
Fill and uppermost alluvium
Salt River Gravels
Basin Fill (fine grained): probable unconformity at 91'
Camels Head Formation
C, L
ASE-46B Rotosonic 1119 131 94 (1025) 120 (999) 0 @ 15
15 @ 94
94 @ 111
111 @ 120
120 @ 130
130 @ 131
Fill and uppermost alluvium
Salt River Gravels
Basin Fill (fine grained and cemented sandstone)
Basin Fill (conglomerate)
Weathered bedrock
Camels Head Formation
C, L
ASE-47B Rotosonic 1112 204 130 (982) 175 (937) 0 @ 10
10 @ 130
130 @ 136
136 @ 175
175 @ 187
187 @ 204
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Cemented sandstone with concretions (Basin Fill sandstone or weathered Tempe Formation)
Weathered bedrock or Basin Fill (sandstone and breccia)
Camels Head Formation
C, L
ASE-48B Rotosonic 1121 141 93 (1028) 127 (994) 0 @ 5
5 @ 93
93 @ 112
112 @ 117
117 @ 127
127 @ 130
130 @ 141
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained): caliche at 110 @ 112'
Basin Fill (sandstone): cemented
Basin Fill (conglomerate)
Weathered bedrock
Tempe Formation or Camels Head Formation: 55°
C, L
ASE-49B Rotosonic 1121 129 80 (1041) 118 (1003) 0 @ 13
13 @ 80
80 @ 115
115 @ 118
118 @ 129
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (sand)
Cemented sandstone (Tempe Formation in logs)
C, L
Table 1. Summary of information for selected drill holes in the eastern Phoenix basin, Arizona
42
Lithologic Summary
Drill
Hole
Drilling
Method
Elev.
(feet
amsl)
Total
Depth
(in feet)
Depth to
(Elev. of)
Base of SRG
(in feet)
Depth to
(Elev. of)
Base of BF
(in feet)
Depth (in
feet) Unit
Source of
Data
ASE-50C Rotosonic 1121 200 95 (1026) 122 (999) 0 @ 12
12 @ 95
95 @ 115
115 @ 122
122 @ 194
194 @ 200
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (sandstone)
Tempe Formation: 30 @ 50°
Camels Head Formation: 45°; probably depositional contact with Tempe Formation
C, L
BC-1 Air Rotary 1020 133 85 (1035) 133 (987) 0 @ 13
13 @ 85
85 @ 120
120 @ 133
133
Fill and uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (sandstone)
Tempe Formation
L
BC-2 Air Rotary 1118 116 80 (1038) 114 (104) 0 @ 20
20 @ 80
80 @ 90
90 @ 100
100 @ 114
114 @ 116
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (fine grained with conglomerate)
Basin Fill (sandstone)
Camels Head Formation?
L
BC-3 Air Rotary 1117 102 95 (1022) 100 (1017) 0 @ 11
11 @ 95
95 @ 100
100 @ 102
Uppermost alluvium
Salt River Gravels
Basin Fill (sandstone)
Camels Head Formation
L
BC-4 Air Rotary 1119 117 99 (1020) 115 (1004) 0 @ 14
14 @ 99
99 @ 115
115 @ 117
117
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Weathered bedrock
Camels Head Formation?
L
BC-6 Air Rotary 1115 113 99 (1016) 113 (1002) 0 @ 6
6 @ 99
99 @ 113
113
Fill and uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Camels Head Formation?
L
Table 1. Summary of information for selected drill holes in the eastern Phoenix basin, Arizona
43
Lithologic Summary
Drill
Hole
Drilling
Method
Elev.
(feet
amsl)
Total
Depth
(in feet)
Depth to
(Elev. of)
Base of SRG
(in feet)
Depth to
(Elev. of)
Base of BF
(in feet)
Depth (in
feet) Unit
Source of
Data
BC-7A Air Rotary 1120 76 50 (1070) 74 (1046) 0 @ 6
6 @ 50
50 @ 60
60 @ 74
74 @ 76
Uppermost alluvium
Salt River Gravels
Basin Fill (sandstone)?
Basin Fill (fine grained)
Tempe Formation
L
BC-8A Air Rotary 1116 96 94 (1022) NR 0 @ 5
5 @ 94
94 @ 96
Fill
Salt River Gravels
Basin Fill (fine grained)
L
BC-8B Air Rotary 1117 114 96 (1021) 112 (1005) 0 @ 6
6 @ 96
96 @ 107
107 @ 112
112 @ 114
Fill
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (fine grained) with gravel and sand
Camels Head Formation
L
BC-9 Air Rotary 1116 92 75? (1041?) 91 (1025) 0 @ 10
10 @ 75
75 @ 91
91 @ 92
Uppermost alluvium
Salt River Gravels
Basin Fill (sandstone)?
Camels Head Formation
L
BC-10B Air Rotary 1113 165 141 (972) 165 (948) 0 @ 17
17 @ 141
141 @ 165
165
Fill and uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Tempe Formation (Camels Head Formation in logs)
L, C
BC-11A Air Rotary 1111 245 130 (981) 243 (868) 0 @ 15
15 @ 130
130 @ 243
243
Fill and uppermost alluvium
Salt River Gravels
Basin Fill?: logs suggest possible Tempe Formation
Camels Head Formation
L
BC-12 Air Rotary 1116 71 71 (1045) NE 0 @ 10
10 @ 71
Uppermost alluvium
Salt River Gravels
L
BC-13 Air Rotary 1128 102 40 (1088) 100 (1028) 0 @ 20
20 @ 40
40 @ 100
100 @ 102
Fill and uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Camels Head Formation
L
Table 1. Summary of information for selected drill holes in the eastern Phoenix basin, Arizona
44
Lithologic Summary
Drill
Hole
Drilling
Method
Elev.
(feet
amsl)
Total
Depth
(in feet)
Depth to
(Elev. of)
Base of SRG
(in feet)
Depth to
(Elev. of)
Base of BF
(in feet)
Depth (in
feet) Unit
Source of
Data
BC-14 Air Rotary 1130 100 45 (1085) 100 (1030) 0 @ 15
15 @ 45
45 @ 60
60 @ 75
75 @ 100
100
Fill and uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill
Basin Fill (clay, sandstone, and breccia)
Camels Head Formation?
L, C
BC-15 Rotosonic 1122 133 82 (1040) 133 (989) 0 @ 11
11 @ 82
82 @ 116
116 @ 125
125 @ 133
133
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (sandstone)
Basin Fill (sandstone and breccia)
Tempe Formation or Camels Head Formation?
L
BC-16 Rotosonic 1116 102 80 (1036) 102 (1014) 0 @ 11
11 @ 80
80 @ 102
102
Uppermost alluvium
Salt River Gravels
Basin Fill (sandstone and breccia) or possible weathered bedrock
Camels Head Formation?
L
BC-17 Rotosonic 1119 116 107 (1012) 116 (1003) 0 @ 5
5 @ 107
107 @110
110 @ 116
116
Uppermost alluvium
Salt River Gravels
Basin Fill (sandstone and breccia)
Weathered bedrock
Camels Head Formation
L, C
BC-18 Rotosonic 1116 135 134 (982) NE? 0 @ 8
8 @ 134
134 @ 135
Fill and uppermost alluvium
Salt River Gravels
Weathered bedrock
L
BR-1 Reverse Air
Hammer
1111 95 57 (1054) NE 0 @ 5
5 @ 57
57 @ 95
Fill and uppermost alluvium
Salt River Gravels
Camels Head Formation
L
BR-2 Reverse Air
Hammer
1112 95 54 (1058) NE 0 @ 54
54 @ 95
Salt River Gravels
Camels Head Formation
L
BR-3 Reverse Air
Hammer
1113 95 57 (1056) NE 0 @ 6
6 @ 57
57 @ 66
66 @ 95
Fill and uppermost alluvium
Salt River Gravels
Weathered bedrock
Camels Head Formation: 45 @ 50°
L, C
Table 1. Summary of information for selected drill holes in the eastern Phoenix basin, Arizona
45
Lithologic Summary
Drill
Hole
Drilling
Method
Elev.
(feet
amsl)
Total
Depth
(in feet)
Depth to
(Elev. of)
Base of SRG
(in feet)
Depth to
(Elev. of)
Base of BF
(in feet)
Depth (in
feet) Unit
Source of
Data
BR-4 Rotosonic
Core
1116 100 53 (1063) NE 0 @ 53
53 @ 100
Salt River Gravels
Camels Head Formation and weathered bedrock
L
BR-5 Rotosonic
Core
1116 111 86 (1030) NE 0 @ 8
8 @ 86
86 @ 111
Fill and uppermost alluvium
Salt River Gravels
Camels Head Formation: 45 @ 50°
L
DM-102 Cable Tool
Continuous
Core
Wireline
1215 499 NE 61 (1154) 0 @ 61
61 @ 499
Basin Fill (sandstone and breccia)
Precambrian granite: variably shattered with red matrix above 208'; intact (not shattered) below 208'
C, L
DM-104 Cable Tool
Continuous
Core
Wireline
1165 306 NE 105 (1060) 0 @ 105
105 @ 169
169 @ 181
181 @ 291
291 @ 306
Basin Fill (sandstone and breccia)
Tempe Formation: 20 @ 30°
Uppermost Camels Head Formation: 24 @ 35°
Camels Head Formation: 23 @ 58°
Camels Head Formation landslide breccia: 40 @ 50°
C, L
DM-106 Cable Tool
Continuous
Core
Wireline
1182 370 NE 126 (1056) 0 @ 126
126 @ 171
171 @ 232
232 @ 370
Basin Fill
Tertiary volcanics
Camels Head Formation
Precambrian granite

DM-111 Hollow Stem
Auger
1201 24 NE 22 (1179) 0 @ 22
22 @ 24
Basin Fill (sandstone and breccia)
Precambrian granite
C
DM-115 Hollow Stem
Auger
1190 56 NE 55 (1135) 0 @ 55
55 @ 56
Basin Fill (sandstone and breccia)
Precambrian granite
C
DM-201-OB1
Conventional
Mud Rotary
1196 120 NE 47 (1149) 0 @ 47
47 @ 120
Basin Fill (sandstone and breccia)
Precambrian metarhyolite
L
DM-310 Conventional
Mud Rotary
1180 155 NE 125 (1055) 0 @ 125
125 @ 150
Basin Fill (sandstone and breccia)
Tertiary volcanic or volcanic-derived Basin Fill
L, C
DM-313 Conventional
Mud Rotary
1176 105 NE? 73 (1103) 0 @ 20
20 @ 73
73 @ 105
Exotic-clast gravels with strongly calcareous matrix (either Basin Fill conglomerate or Salt River Gravels)
Basin Fill (sandstone and breccia)
Camels Head Formation landslide breccia
C, L
Table 1. Summary of information for selected drill holes in the eastern Phoenix basin, Arizona
46
Lithologic Summary
Drill
Hole
Drilling
Method
Elev.
(feet
amsl)
Total
Depth
(in feet)
Depth to
(Elev. of)
Base of SRG
(in feet)
Depth to
(Elev. of)
Base of BF
(in feet)
Depth (in
feet) Unit
Source of
Data
DM-501 Conventional
Mud Rotary
1137 420 58 (1079) 214 (923) 0 @ 18
18 @ 58
58 @ 117
117 @ 214
214 @ 420
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (sandstone and breccia)
Tempe Formation: 15° at top, increasing to 25 @ 30° at base
L, C
DM-502 Conventional
Mud Rotary
Diamond
Core
1157 350 NE 136 (1021) 0 @ 136
136 @ 237
237 @ 267
267 @ 350
Basin Fill (sandstone and breccia)
Tertiary volcanics
Tempe Formation: upper contact depositional and parallel to 20°
Precambrian granite: locally shattered; probable fault contact at 267'
C, L
DM-503 Conventional
Mud Rotary
1161 93 NE 63 (1098) 0 @ 63
63 @ 93
Basin Fill (sandstone and breccia)
Precambrian granite
C, L
DM-504 Conventional
Mud Rotary
1138 245 48 (1090) 213 (925) 0 @ 8
8 @ 48
48 @ 210
210 @ 213
213 @ 245
Uppermost alluvium
Salt River Gravels
Basin Fill (sandstone and breccia)
Basin Fill (fine grained)
Tempe Formation: 5 @ 15°
C, L
DM-506 Conventional
Mud Rotary
Diamond
Core
1127 396 78 (1049) 227 (900) 0 @ 78
78 @ 210
210 @ 220
220 @ 227
227 @ 280
280 @ 320
320 @ 396
Salt River Gravels
Basin Fill (sandstone and breccia)
Basin Fill (fine grained)
Basin Fill (sandstone and breccia)
Tempe Formation: 10 @ 20°; logs call top of Tempe Formation at 195'
Uppermost Camels Head Formation: 15°
Camels Head Formation: 15 @ 30°
C, L
DM-507 Conventional
Mud Rotary
Diamond
Core
1117 330 99 (1018) 196 (921) 0 @ 13
13 @ 99
99 @ 196
196 @ 330
Uppermost alluvium
Salt River Gravels
Basin Fill (sandstone and breccia)
Camels Head Formation or Tempe Formation
C, L
Table 1. Summary of information for selected drill holes in the eastern Phoenix basin, Arizona
47
Lithologic Summary
Drill
Hole
Drilling
Method
Elev.
(feet
amsl)
Total
Depth
(in feet)
Depth to
(Elev. of)
Base of SRG
(in feet)
Depth to
(Elev. of)
Base of BF
(in feet)
Depth (in
feet) Unit
Source of
Data
DM-508 Conventional
Mud Rotary
1125 230 67 (1058) 215 (910) 0 @ 12
12 @ 67
67 @ 110
110 @ 181
181 @ 197
197 @ 215
215 @ 230
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (sandstone and breccia)
Basin Fill (fine grained with granules)
Basin Fill (sandstone and breccia)
Tempe Formation
C, L
DM-509 Conventional
Mud Rotary
1115 215 98 (1017) 155 (960) 0 @ 13
13 @ 98
98 @ 155
155 @ 215
Uppermost alluvium
Salt River Gravels
Basin Fill
Camels Head Formation
L, C
DM-510 Air Rotary
Diamond
Core
1107 310 106 (1001) 148? (959)? 0 @ 16
16 @ 106
106 @ 148
148 @ 310
Uppermost alluvium
Salt River Gravels
Basin Fill (sandstone) or Tempe Formation
Camels Head Formation: dips 40° top, 50° bottom
L, C
DM-511 Air Rotary
Diamond
Core
1112 310 102 (1010) 141 (971) 0 @ 102
102 @ 141
141 @ 310
Salt River Gravels
Basin Fill
Camels Head Formation: 30 @ 55°
L, C
DM-512 Air Rotary
Diamond
Core
1121 375 140 (981) 187 (934) 0 @ 24
24 @ 140
140 @ 187
187 @ 212
212 @ 375
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Tempe Formation: 10 @ 20°
Camels Head Formation, including thin uppermost part: 20 @ 35°; breccia at base
L, C
DM-513 Air Rotary
Diamond
Core
1123 337 117 (1006) 203? (920)? 0 @ 17
17 @ 117
117 @ 203?
203 @ 337
Uppermost alluvium
Salt River Gravels
Basin Fill
Camels Head Formation: 25 @ 40°; fault at 312'
L, C
DM-514 Air Rotary
Diamond
Core
1109 318 90 (1019) 92 (1017) 0 @ 14
14 @ 90
90 @ 92
92 @ 318
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Camels Head Formation
L, C
Table 1. Summary of information for selected drill holes in the eastern Phoenix basin, Arizona
48
Lithologic Summary
Drill
Hole
Drilling
Method
Elev.
(feet
amsl)
Total
Depth
(in feet)
Depth to
(Elev. of)
Base of SRG
(in feet)
Depth to
(Elev. of)
Base of BF
(in feet)
Depth (in
feet) Unit
Source of
Data
DM-515 Air Rotary
Diamond
Core
1109 406 162 (947) 230 (879) 0 @ 162
162 @ 230
230 @ 406
Salt River Gravels
Basin Fill (sandstone with local conglomerate, cemented)
Camels Head Formation: 35 @ 45°
C, L
DM-516 Air Rotary
Diamond
Core
1105 419 175 (930) 230 (875) 0 @ 20
20 @ 175
175 @ 230
230 @ 419
Uppermost alluvium
Salt River Gravels
Basin Fill
Camels Head Formation: 45 @ 55°
L
DM-517 Air Rotary
Diamond
Core
1111 387 140 (971) 205 (906) 0 @ 11
11 @ 140
140 @ 205
205 @ 251
251 @ 387
Uppermost alluvium
Salt River Gravels
Basin Fill (sandstone, cemented)
Tempe Formation: 25 @ 40°
Camels Head Formation: 40 @ 60°
L
DM-518 Air Rotary
Mud Rotary
1107 160 117 (990) 138? (969)? 0 @ 13
13 @ 117
117 @ 138
138 @ 160
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Camels Head Formation or Basin Fill (sandstone and breccia)
L
DM-703 Conventional
Mud Rotary
Core
1198 72 NE 30 (1168) 0 @ 30
30 @ 72
Basin Fill (sandstone and breccia)
Precambrian metarhyolite
L, C
DSV-1 Rotosonic
Core
1120 118 80 (1040) NE 0 @ 80
80 @ 118
Salt River Gravels
Camels Head Formation
L
DSV-3 Rotosonic
Core
1120 114 95 (1025) 110 (1010) 0 @ 13
13 @ 95
95 @ 106
106 110
110 @ 114
Fill and uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Weathered bedrock
Camels Head Formation?
L
EW-1 Air
Percussion
1129 90 38 (1091) NR 0 @ 23
23 @ 38
38 @ 90
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
L
EW-3 Air
Percussion
1115 110 90 (1025) NR 0 @ 10
10 @ 90
90 @ 110
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
L
Table 1. Summary of information for selected drill holes in the eastern Phoenix basin, Arizona
49
Lithologic Summary
Drill
Hole
Drilling
Method
Elev.
(feet
amsl)
Total
Depth
(in feet)
Depth to
(Elev. of)
Base of SRG
(in feet)
Depth to
(Elev. of)
Base of BF
(in feet)
Depth (in
feet) Unit
Source of
Data
EW-4 Air
Percussion
1111 112 85 (1026) NR 0 @ 15
15 @ 85
85 @ 112
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
L
EW-6 Air
Percussion
1098 112 NR NE 0 @ 112 Salt River Gravels L
EW-7 Air
Percussion
1105 129 NR NE 0 @ 8
8 @ 129
Uppermost alluvium
Salt River Gravels
L
EW-12 Air
Percussion
1099 248 175 (924) 244 (855) 0 @ 10
10 @ 175
175 @ 235
235 @ 244
244 @ 248
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Weathered bedrock?
Camels Head Formation
L
PL-201A Air
Percussion
1117 117 112 (1005) NR? 0 @ 112
112 @ 117
117
Salt River Gravels
Basin Fill (fine grained)
Sandstone (Basin Fill or bedrock)
L
PL-2103 Air
Percussion
1120 137 100 (1020) 137 (983) 0 @ 5
5 @ 100
100 @ 120
120 @ 137
137
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (fine grained) and Basin Fill (sandstone)
Camels Head Formation
L
PZ-1B Rotosonic 1117 140 88 (1029) 138 (979) 0 @ 8
8 @ 88
88 @ 118
118 @ 126
126 @ 138
138 @ 140
Uppermost alluvium
Salt River Gravels
Basin Fill (fine grained)
Basin Fill (clay, sandstone, and breccia)
Weathered bedrock or Basin Fill (sandstone and breccia)
Camels Head Formation
L
MW-1
(TEXACO)
Air Rotary 1112 91 74? (1038)? NE 0 @ 8
8 @ 74
74 @ 91
Uppermost alluvium
Salt River Gravels
Camels Head Formation
L
MW-2
(TEXACO)
Air Rotary 1112 91 58 (1054) NE 0 @ 7
7 @ 58
58 @ 91
Uppermost alluvium
Salt River Gravels
Camels Head Formation
L
Table 1. Summary of information for selected drill holes in the eastern Phoenix basin, Arizona
50
Lithologic Summary
Drill
Hole
Drilling
Method
Elev.
(feet
amsl)
Total
Depth
(in feet)
Depth to
(Elev. of)
Base of SRG
(in feet)
Depth to
(Elev. of)
Base of BF
(in feet)
Depth (in
feet) Unit
Source of
Data
MW-3
(TEXACO)
Air Rotary 1113 86 46 (1067) NE 0 @ 8
8 @ 46
46 @ 86
Uppermost alluvium
Salt River Gravels
Camels Head Formation
L
MW-4
(TEXACO)
Air Rotary 1112 86 55 (1057) NE 0 @ 8
8 @ 55
55 @ 86
Uppermost alluvium
Salt River Gravels
Camels Head Formation
L
MW-5
(TEXACO)
Air Rotary 1113 91 69 (1044) NE 0 @ 8
8 @ 69
69 @ 86
86 @ 91
Uppermost alluvium
Salt River Gravels
Caliche
Camels Head Formation (called granite in logs)
L
B-6
(TEXACO)
Air Rotary 1112 65 56 (1056) NE 0 @ 6
6 @ 56
56 @ 65
Uppermost alluvium
Salt River Gravels
Camels Head Formation
L