CHEMICAL ANALYSES 



69 



Table 19. Bottom samples collected in the eastern north Pacific by the U.S.C.G.S.S. Surveyor 

 Partial chemical analyses by J. G. Fairchild, United States Geological Survey 



Si02 



Total iron as 



Fe203 

 AI2O3 

 CaO 

 MgO 

 K2O 

 Na20 

 MnO 

 P2O5 



Total 



53.3 



9.74 



25.39 



tr 



53.05 



8.86 

 17.11 

 2.07 

 3.08 

 0.94 

 0.70 

 tr 

 0.09 



52.40 55.09 55.24 57.75 54.78 



53.99 



28.18 10.84 



8.96 



17.84 



1.97 



3.05 



} '■'' } 



9.36 



16.46 



1.64 



3.30 



1.44 



0.11 



8.63 

 17.52 

 1.94 

 3.21 

 1.03 

 0.81 



0.09 



7.76 

 18.01 

 1.99 

 3.11 

 0.«9 

 0.91 



0.12 



I 25.52 j 



1.99 

 2.91 



24.83 



2.06 

 3.09 



5.95 



8.07 



26.64 



1.85 



I 1.22 I 1.06 I 0.55 



0.10 



0.11 



0.12 



4.19 



47.05 



0.10 



88.43 85.90 85.74 87.40 88.47 90.54 86.52 85.14 71.36 62.18 



Description 

 Latitude, north 

 Longitude, west 

 Depth in meters 



gn md gn md 



7° 24' 6° 59' 



79° 14' 79° 15' 



3246 3486 



gn md 



6° 37' 



79° 16' 



3618 



gn md 

 6° 11' 

 79° 16' 

 3728 



gn md 

 5° 48' 

 79° 14' 

 3362 



gn md 

 5° 48' 

 79° 39' 

 2815 



gn md 

 5° 48' 

 80° 05' 

 3098 



gn md 



5° 47' 



80° 31' 



3135 



gl oz gl oz 



5° 47' 5° 58' 



81° 23' 81° 46' 



1604 812 



Constituent 



42 



43 



44 



Sample number 



45 



47 



48 



49 



50 



51 



Values in per cent 



52 



Si02 



Total iron as 



Fe203 

 AI2O3 

 CaO 

 MgO 

 K2O 

 Na20 

 MnO 

 P2O5 



Total 



51.05 46.46 44.57 43.48 29.24 43.50 43.29 44.27 51.61 52.64 



25.34 



3.08 

 3.30 



0.95 



0.28 



15.53 

 8.20 

 9.53 

 2.43 

 2.98 

 1.07 



0.07 



I 22.58 I 19.93 | 14.81 | 



} 



10.33 

 2.47 



1.25 



0.17 



11.71 

 2.53 

 0.70 

 0.54 



Q.il 



25.89 

 2.13 



11.56 

 3.13 



21.44 21.97 



11.58 

 3.09 



J 22.19 1 



I 2.96 I 1.43 I 1.33 ] 



0.13 



0.16 



0.15 



11.14 

 3.10 



1.14 



0.14 



25.07 



3.92 

 3.55 



1.32 



1.02 

 0.37 



23.24 



1.92 

 3.36 

 0.90 

 0.84 

 1.54 

 0.25 



84.00 



86.27 81.37 



79.06 



75.16 81.22 81.41 81.98 86.86 84.69 



Description 

 Latitude, north 

 Longitude, west 

 Depth in meters 



gn md 



6° 07' 



82° 05' 



3056 



gns 

 6° 25' 

 82° 42' 



2262 



gn md 



6° 44' 



83° 20' 



2008 



gn md 



7° 02' 



83° 56' 



1734 



gloz 

 7° 18' 

 84° 29' 



1522 



gn md 



7° 25' 



84° 43' 



1716 



gn md 



7° 29' 



84° 52' 



1778 



gn md 



7° 36' 



85° 06' 



1906 



gn md gn md 



7° 47' 8° 23' 



85° 28' 86° 39' 



2893 3389 



Si02 



Total Iron as 



Fe203 

 AI2O3 

 CaO 

 MgO 

 K2O 

 Na20 

 MnO 

 P2O5 



Total 

 Description 

 Latitude, north 

 Longitude, west 

 Depth In meters 



56.43 60.02 58.12 58.96 55.60 53.85 54.17 55.33 55.97 



I 23.23 I 



} 



2.02 

 3.28 



1.66 



0.51 

 0.34 



87.47 



gn md 



9° 02' 



87° 51' 



3297 



21.00 



2.28 

 2.64 



0.66 



0.11 

 0.25 



23.38 



1.85 

 2.60 

 1.08 

 1.00 



0.17 



I 22.93 I 



1 CO ** 



1.62 

 2.38 

 1.33 

 1.57 



o!24 



25.31 



2.11 

 2.65 

 1.89 

 1.62 

 0.31 

 0.19 



25.11 



2.34 

 2.87 

 1.91 

 1.34 

 1.37 

 0.24 



I 24.57 I 23.35 | 



2.79 

 3.28 



2.94 



0.19 



I 2.94 I 2.90 I 



3.20 

 2.37 



2.90 



0.56 



23.51 



3.27 

 2.97 



3.17 



0.51 

 0.20 



86.96 



gn md 



9° 46' 



89° 17' 



3579 



88.20 



gn md 



12° 07' 



94° 06' 



4026 



89.03 



gn md 



12° 52' 



95° 46' 



4252 



89.68 



rdcl 



19° 29' 



107° 05' 



3170 



89.03 



rdcl 

 20° 04' 

 107° 59' 



3305 



87.94 



rdcl 

 20° 43' 

 108° 46' 



2915 



87.71 



gn md 



21° 16' 



109° 36' 



3072 



89.60 



gn md 



21°55' 



110° 40' 



3374 



