Geologic Reconnaissance in the Matanuska and Talkeetna Basins, AlaskaU.S. Government Printing Office, 1907 - 71 sayfa |
Kitabın içinden
97 sonuçtan 1-5 arası sonuçlar
Sayfa 3
... Past Physiographic development_ Matanuska Valley__ Talkeetna Mountains__ Copper River basin__ . 24 24 24 24 25 26 55 27 27 28 29 30 31 31 33 37 37 38 39 Page . Mineral resources .. Coal Areal distribution___ Matanuska field__ 3.
... Past Physiographic development_ Matanuska Valley__ Talkeetna Mountains__ Copper River basin__ . 24 24 24 24 25 26 55 27 27 28 29 30 31 31 33 37 37 38 39 Page . Mineral resources .. Coal Areal distribution___ Matanuska field__ 3.
Sayfa 4
... field__ Geology Description of the coal .. Northeastern field-- Adjacent coal fields . Analyses and tests _ - _- 42 49 52 52 54 56 57 59 Gold Chemical and calorimetric tests . Coking qualities .. Mining conditions . Distribution of gold ...
... field__ Geology Description of the coal .. Northeastern field-- Adjacent coal fields . Analyses and tests _ - _- 42 49 52 52 54 56 57 59 Gold Chemical and calorimetric tests . Coking qualities .. Mining conditions . Distribution of gold ...
Sayfa 5
... fields and to differentiating the ages of the various coal horizons . Attention was also paid to such metalliferous deposits as were encountered .. A summary of the re- sults ... field 5 Introduction Geography Geology Mineral resources Coal.
... fields and to differentiating the ages of the various coal horizons . Attention was also paid to such metalliferous deposits as were encountered .. A summary of the re- sults ... field 5 Introduction Geography Geology Mineral resources Coal.
Sayfa 6
... field work of the season of 1906 was in charge of T. G. Gerdine , topographer , as chief of party . Landing was made at Knik , the head of steam navigation on Knik Arm of Cook Inlet , on May 29. Work was begun tiefe on June 1. During ...
... field work of the season of 1906 was in charge of T. G. Gerdine , topographer , as chief of party . Landing was made at Knik , the head of steam navigation on Knik Arm of Cook Inlet , on May 29. Work was begun tiefe on June 1. During ...
Sayfa 15
... fields of the Turnagain Arm region : Bull , U. S. Geol . Survey No. 277 , 1906 , p . 16 . < Op . cit . , p . 19 . In the absence of definite paleontologic evidence , the correlation METAMORPHIC ROCKS . 15 Age and correlation...
... fields of the Turnagain Arm region : Bull , U. S. Geol . Survey No. 277 , 1906 , p . 16 . < Op . cit . , p . 19 . In the absence of definite paleontologic evidence , the correlation METAMORPHIC ROCKS . 15 Age and correlation...
Sık kullanılan terimler ve kelime öbekleri
Alaska andesite Anvil Creek basin beach beam bed rock bench Bendeleben Mountains bowlders Brooks Bull Cape Nome cement cent channel Chickaloon Chickaloon Creek chloritic claims clay coal coarse coastal plain Collier concrete conglomerate contain creek bed district ditch east elevation erosion feet thick Geological Survey geology Glacier gold placers granite graphitic gravel greenstone Gulch inches intrusive Iron Creek Jurassic Kenai Kigluaik Mountains Knik Knik River Kougarok Kuzitrin Kuzitrin River limestone lower Matanuska Matanuska River material mica schist miles mineral mining Moffit mouth muck Niukluk Niukluk River Nome and Norton Nome group Nome River Norton Bay Norton Bay regions nuggets occur Ophir Creek pay streak pebbles placer gold Port Clarence probably reconnaissance reported sand sandstones schist Seward Peninsula Shale slates slopes sluice boxes special publication stream surface Susitna Talkeetna Mountains test pieces tributary U. S. Geol upper valley
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