Office

Mill

11000XS

10000XS

10000XS

8000LS

8000LS

7000LS

7000LS

8000XS

8000XS

8000XS

7000XS

7000XS

7000XS

6000XS

6000XS

6000XS

5000XS

5000XS

3000XS

3000XS

2000XS

2000XS

1000XS

1000XS

6000XS

4000LS

4000LS

11000XS

9000XS

9000XS

4000XS

3000XS

2000XS

1000XS

00XS

0000LS

0000LS

1000LS

1000LS

2000LS

2000LS

3000LS

3000LS

6000LS

6000LS

4800 LONG SECTION

4800 LONG SECTION

00XS

00XS

CROSS-SECTION LINE FOR PLATE 7–2B

CROSS-SECTION LINE FOR PLATE 7–2A

CROSS-SECTION LINE FOR PLATE 7–2B

CROSS-SECTION LINE FOR PLATE 7–2A

920

PORTAL

1350

PORTAL

Bruin

Creek

Upper Meadow

Big Sore

 Basin

Greens

Greens

Greens

Creek

Creek

Creek

Gallagher

Creek

Gallagher

Creek

Big Sore Creek

Big

Sore

Creek

Gallagher

Ridge

B-ROAD

1200

1300

1800

2000

900

1000

1100

1100

1100

1200

1300

1400

1000

1200

900

1100

1200

1300

1000

2500

2400

2200

2100

2000

1900

1800

1700

1600

1500

1400

1800

1700

800

800

1300

1200

1100

1000

900

1700

1600

1500

1400

2000

1800

1900

1900

1300

1200

1100

1500

1000

1900

1700

2900

2800

2400

2300

2200

2100

2000

1900

2700

2600

2500

2400

3000

2100

2200

2300

2700

2900

2800

3000

2700

2600

3500

3600

3400

3300

3200

3100

3000

2900

2800

3700

3200

3300

3400

3200

3100

3000

3000

2900

2800

2700

2400

2300

2200

2100

2000

1900

1800

PS84

PS128

PS77

PS76

PS95

PS94

PS98

PS96

PS72

PS31

PS25

PS15

PS29

PS30

PS9

PS5

PS121

PS19

PS141

PS140

PS133

PS131

PS137

PS138

Approximate location

of PS136

PS81

PS80

PS79

PS75

840

PS45

HV307

PS16

PS112

PS119

PS118

PS93

PS87

PS99

PS120

PS111

PS78

PS17

PS70

PS71

PS53

PS85

PS49, 51

PS88, 90, 91

PS24

PS14

PS10

PS46

PS4 PS122

PS39

PS115, 117

PS105

PS100

PS102

PS113, 114

PS116

PS103

PS89

PS74

PS73

PS43

PS7

PS1

PS8

PS11

PS12, 13

PS26

PS83

PS106

PS107

PS48, 54

PS55, 56, 57

PS27

PS6

PS123

PS52

PS97

PS104

PS68, 69

PS62, 61

PS21

PS40 PS66, 67

PS65

PS58, 59, 60

PS28

PS63, 64

PS22, 23

PS3

PS108

PS110

PS?

NESP1

PS47

PS41

PS42, 44

PS101

PS2

PS109

PS50

2 278 000

FEET

2 277 000

FEET

2 276 000

FEET

2 280 000

FEET

2 279 000

FEET

2 283 000

FEET

2 282 000

FEET

2 285 000

FEET

2 285 000

FEET

2 284 000

FEET

2 283 000

FEET

2 282 000

FEET

2 281 000

FEET

2 280 000

FEET

2 279 000

FEET

2 278 000

FEET

2 277 000

FEET

2 276 000

FEET

2 284 000

FEET

2 496 000

FEET

2 497 000

FEET

2 498 000

FEET

2 499 000

FEET

2 500 000

FEET

2 501 000

FEET

2 502 000

FEET

2 503 000

FEET

2 503 000

FEET

2 502 000

FEET

2 501 000

FEET

2 500 000

FEET

2 496 000 2 499 000 FEET

FEET

2 497 000

FEET

2 498 000

FEET

2 495 000

FEET

2 495 000

FEET

2 494 000 FEET

2 286 000

FEET

2 286 000

FEET

2 287 000

FEET

2 287 000

FEET

2 281 000

FEET

17000E

19000E

20000E

21000E

22000E

23000E24000E

21000N

23000N

20000N

19000N

18000N

17000N

16000N

15000N

14000N

13000N

15000E

16000E

17000E

18000E

19000E

20000E

21000E

22000E

24000E

16000E18000E

24000N

23000N

22000N

21000N

20000N

19000N

18000N

17000N

16000N

15000N

14000N

24000N

77 43

69

83

80

24

86

75 64

90

40

Strong S3

reorients S2

83

83

65

ave 40

42

80

32

43

48 45

54

38

40

80

60

79

37

UPPER

SHEAR

ZONE

75 62

52 45

50

55

71

28

32

59

58

44

49

ave

45

ave

42

ave 17

83

58

65

67

75

83 70

67

72

72

54

40

55

56

38

54

64

48

60

55

ave 48

32

80

25

40

33

31

40

19

36

39

33

20

10

29

S2 overprints

carbonate veins

that dip 2° W

56

25

32

53

50

75

85

74

60

23

30

76 76

73 84

77

76

45

43

45

41

40

31

39 63

64

57

28

47

64

30

76

84

35

65

18

72

18

87

79 44

34

63 88

88

38

40

25

33

31

27

33

16

48

12−23

24

80

23

37

42 51

60

62

65

27

80

50

55

36

13

34

38

39

55

38

51

66

34

38

40

36

24

F2-folded, mineralized

contact

andesite dike, undeformed

S2 or 2.5?

48

foliated

gabbro

(DG)

gentle S2 dip

UPPER SHEAR

ZONE

ave

27

24

−35

18

45

12

±55

Maki fault

projected from

52XC & PS78

Possible

F2 syncline

here with

argillite

27

14 ave 67

ave 85

67

70

33

55

55 30

75

64

16

67

38

70

possible

rotated

blocks

Quartz-chlorite and quartz-carbonatechlorite schist with foliated

metagabbro relicts (DG)

Maki fault

projected from

drill holes on

44XS

71

ave 15

55

23

27

59

ave 18

ave 15

ave 7

45

62

ave 48

81

ave 52

ave 60

48

70 78

73

82

50

48

47

28

80

88

59

47

ave

85 30

52

59 (L2 or 2.5?)

possible S2.5

15

47 55

29

37

60 74 41

37 22

33

63 57

85

58

47

43

62

18

26

33

S2 or S2.5?

cuts an older

foliation 45 38

42

28 57

40

85

30

44

53

58 43

86

47

54

51 55

55 55

55

52

41

55

71

85

59

38

35

45

34

13

37

23

S2 or 2.5?

S2?

5 (L2 or 2.5?)

80

87

60

ave

55

ave

78

42

41

52

53

ave

90

85

ave 87

ave

90

85

85

83

48

72

88

79

76 69

59

20

82

67

78

32

18

76 32

78

60 47

11 39

35

72

10

60

77

52 63

77

UPPER SHEAR

ZONE

MAKI FAULT

23

55

48

67

60

6040

33

33

59

66

Sericite-quartz-carbonate

phyllite (SP), shearfoliated?

39

44

42

63

38

74 58

47

85

36

28

80

AP81

64

36

argillite has pyrite

veinlets with sericitic

alteration overprinted

by S2 71

45

67

80

75

12

60

74

77

57 ave 50

88

20

45

60

43

55 65

55

72 5

33

47

MAKI FAULT?

Slump block?

Graphitic slate

and GSS

54

62

42

57

Slump block?

60

10

72 50

71

44

70

79

24 63

87

85

73

3

14

58

14

Bedding/S2

intersection

52

33

27

36

32

75

25

81

42

75

76 28

ave

55

20

79 55 25

29

F3 antiform

87

50

88

81

29

51

54 19 9

10−15

57 40

10

10

33

25

73

56

55 36

88

ave 63

42 5

60 34

34

54

59

2

Bedding/S2

intersection

Bedding/S2

intersection

50

81

72

ave 15

19

ave 28

22

12

32

48

ave 5

ave

47

ave

40

33

83

88

28

27 55

66

77

66

ave 16

67

74

36

ave

40

17

80 ave

35

85

80

ave

50

17

28 35

65

ave 42

20

70

5

19

unfaulted contact

approximately

parallel to S2

probable bedding/S2

intersection

probable

landslide

block

?

?

?

80

19

62

40

85 16

56

71

85

80

15

76

19

75

2

68

68 23

22

30

35

26

48

45

54 32

30 43 32

49

35

33 46

28

40

39

27

26

25−30

5

19

28

23

11

25

possibly shear

foliation and

lineation

antiformal closure

of S2

68

41

49

55

58

39

18

50 39

51

ave

90

ave 85

48

59

60

60

46

20

AP23

69

AP72

MAJOR F2 SYNCLINE

50

13

?

?

12

contacts parallel

to bedding and

S2

67

47

90

ave 79

55

31

52 39 34

40

ave

82

45

32

55

ave 33

50

56

33

50

55

59

76 34 26

88

50

78

75

45

19 12

14

22

26

85

2

25

16

11

42

62

55

61

87

16

54 AP57

74 40

1

LITTLE MAKI FAULT?

8

45

44

49

56 62

43

54 37 47

45

35

37 43

35

30

30

57

85

8

76

43

47

43 36

28

18

40 48

25

35 31 33

63

55

28 AP40

75

30

60

38

38

33

43

32

32 36

33

45

75

53

48 26

53 68

61

50

75

87

60

38

66

ave 70

47

54

66

42

50

63

59 35 81

39

75 65 25

42

31

32

25

80

86

37

20

38

70

64

60

52

37

55

80 19

ave

82

ave 65

ave 67

ave 46

37 2 ave

75

5

37

35

ave

90

15

31

40

40

80

85

88

43

34

67

58

24

40

48

25 58

55

12

48

3

5

47

ave

41

63

52

33

40

77

29

28

26

14

10

3

42

34

31 55

28 35

51

76

75 63

50

45

75

71

41

55

48

47

56

45 64

47

32

Strong F4 folding

of S3 and S2

S2 approximately parallel to

bedding, but exact relationship

obscured by strong S3

36

55

AP39

17

53

68

70

89 72

51

38

87

39

1

23 40

47

60

82

47

38

ave 50

30

35

23

45

44

S2/bedding relationship

consistent over large areas

50

22

54

54

54

54 53

45

GALLAGHER FAULT

22

60 22

36

50

50

37

43

66 37

36

10

40

48

66

45 78

58

72

72

ave

60

61

54

37

32

22 22

46

20

48

38

24

40

47

57

63

25

F2.5?: 4

AP2.5?: 41

29

45

18

32

18

55

40

36 54

64

35

48

55

52

24

45

54

55 65

35

55

58

UPPER EDGE OF

ZONE

UPPER SHEAR

20

9

56

48

77

?

?

72

8

51

68

?

?

?

47

?

?

?

PS18

approximate

location

EXPLANATION

Faults and boundaries of ductile shear zones—Dashed where approximately 

located or inferred

Buried faults and boundaries of ductile shear zones—Including topographic 

lineaments

Contours—Index and intermediate

Streams—Major and minor. All streams are perennial

Massive sulfide deposits

F2 fold—Showing dip of axial plane

L2 lineation—Showing bearing and plunge

Bedding/S2 intersection—Showing fold vergence

S2 foliation—Showing strike and dip

S2 form surface

Inferred S2 form surface

Survey point

Drill hole

Subsurface workings—Projected to surface

AP40

28

4

22

75

58°5’

134°39’ 58°5’N

134°37’W

58°5’

134°38’

58°4’

134°39’

58°4’

134°38’

58°4’

134°37’

U.S. DEPARTMENT OF THE INTERIOR

U.S. GEOLOGICAL SURVEY

PROFESSIONAL PAPER 1763

PLATE 7–3

50

200 400 600 800 1000 FEET

100 150 200 250 300 METERS

0

0

MAP OF THE SURFACE, GREENS CREEK MINE, ALASKA; F2, S2, L2 AND S2/BEDDING INTERSECTIONS

By

John M. Proffett

2010

By John M. Proffett, 1987 and 1997−2002

ALASKA

MAP LOCATION

Grid in gray is Alaska Coordinate System, zone 1

North-south grid in black is a local surface grid of northings and eastings, in feet,

with origin located at lat 58.0234985°N., long 134.7311267°W.

Northwest-southest grid is a local grid of cross section (XS) and long section (LS)

coordinates that are used for Greens Creek mine workings. The grid is

rotated 26.5651 degrees counterclockwise from due north

100-foot contours are from 1997 AreoMap computer-drawn map,

with modifications from field surveys

Contour elevations are relative to sea level

Drill hole and underground elevations are relative to mine system; 

60 feet must be subtracted from these to give elevations 

relative to sea level. 

This and other USGS information products are available at 

http://store.usgs.gov/

U.S. Geological Survey

Box 25286, Denver Federal Center

Denver, CO 80225

To learn about the USGS and its information products visit 

http://www.usgs.gov/

1-888-ASK-USGS

This report is available at:

http://pubs.usgs.gov/pp/1763

Any use of trade, product, or firm names is for descriptive 

purposes only and does not imply endorsement by the U.S. 

Government.

Although this information product, for the most part, is in the 

public domain, it also contains copyrighted materials as noted in 

the text. Permission to reproduce copyrighted items for other than 

personal use must be secured from the copyright owner. 

MAP ERRORS

During the 1997 field season, mapping was carried out north of 15000N using a 1 in. = 200 ft 

topographic base provided by Noranda Inc., to which mine coordinates had been added. Many of 

the mapped outcrops were tied to new survey points in 1998. All mapping north of 16950N and 

west of 22100E, including mapping carried out in 1998 and 1999, is plotted relative to survey 

points, claim corners, and drill holes. This information should be accurately located to within a few 

feet. Most mapping between 15500N and 16600N and between 22100E and 24500E was plotted 

relative to topographic features and streams as they appeared on the 1 in. = 200 ft topographic base. 

The topographic features appear to be accurately positioned on the map relative to the mine grid, 

but some claim corners and drill holes were found to be misplotted by up to 90 to 100 ft. It is hoped 

that the geology in this area is plotted reasonably accurately, but outcrop locations should be 

verified relative to new survey points in this area. The area in Big Sore Creek between 16950N and 

16700N, which includes two outcrops, has been stretched about 90 feet in a north-south direction to 

accommodate the difference between the two areas. Areas in Big Sore Basin that were mapped in 

1999 (14300 to 15500N, 21400 to 23000E) were located by reference to the grid that was surveyed 

in this area by David Wilson in 1998 using GPS (not shown on this map). Outcrops in this section 

of the map should be accurately positioned to within a few feet. Most of the area was mapped using 

claim corners as reference points. The coordinates that are available for some claim corners 

disagree with other data, such as drill site locations, suggesting discrepancies of up to 35 ft.

Outcrops mapped in the High Sore area during the 1997 field season were located by reference 

to the High Sore grid. These were plotted on the map using the mine coordinates assigned to the 

brass cap located at High Sore. If future surveying leads to revision of the brass cap coordinates, 

then the High Sore outcrops will merit replotting.

Outcrops mapped in 1997 south of 15000N were located on color air photos at a nominal scale 

of 1 in. = 1,000 ft. The positions of these outcrops are subject to considerable uncertainty. Outcrops 

located east of 21200E and between 13800N and 14200N were plotted using reference points 

surveyed by compass and tape in 1998 by Paul Lindberg. Outcrops in Upper Meadow of Gallagher 

Creek were relocated in 2000 by reference to the GPS-located Upper Gallagher grid. All other 

outcrops in the Upper Gallagher Creek area were mapped by reference to this same grid. 

Suggested citation:

Taylor, C.D., and Johnson, C.A., editors, 2010, Geology, geochemistry, and genesis of the 

Greens Creek massive sulfide deposit, Admiralty Island, southeastern Alaska: U.S. 

Geological Survey Professional Paper 1763, 429 p., 7 plates on CD.

Prepared in cooperation with the

KENNECOTT GREENS CREEK MINING COMPANY

Juneau

Mansfield

Peninsula

Admiralty

Island

Chatham

Strait

Young Bay

Hawk

Inlet

Stephens

Passage

Douglas

Island

135°00’ 134°45’ 134°30’ 134°15’

58°00’

58°15’

Inset map: Location of map, depicted in dark gray, relative to the 

surrounding area.