. Geology and agriculture. the records of the thirteen holesdrilled on the island. Eight of these are given on the adjoining(Plate 22).* In hole number 10 gas was struck at a depth of *A11 the facts we possess regarding the other five holes are as follows : 2. Quicksand 400 feet. 3. Salt at a depth of 276 200 feet deep. No salt. 8. Sand 175 feet. No salt. 9. 0-248. No record 248 Salt 252 Salt crystals 248 feet. The records of all the sections shown on Plate 22 and also hole No. 9 wereobtained from Mr. C. B. Weiser of the Gulf company. The others are fromCapt
. Geology and agriculture. the records of the thirteen holesdrilled on the island. Eight of these are given on the adjoining(Plate 22).* In hole number 10 gas was struck at a depth of *A11 the facts we possess regarding the other five holes are as follows : 2. Quicksand 400 feet. 3. Salt at a depth of 276 200 feet deep. No salt. 8. Sand 175 feet. No salt. 9. 0-248. No record 248 Salt 252 Salt crystals 248 feet. The records of all the sections shown on Plate 22 and also hole No. 9 wereobtained from Mr. C. B. Weiser of the Gulf company. The others are fromCapt. A. F. Lucas, who supterintended the drilling. SrKVHV Ol- SI \ \ v. Rl.:i.()KT. iSc^gy^ 4 6 7 ,0 e m LEGEND ShaH 212 13 W Gravel Gravel aiul dayClay Blue clay fe-^^ Black shaly clay —Barite. sphalerite. Kleiu~ «nW/^ /s/e llti/ Sect ions Geological Survey of I^ouisiana, Rkport, 1899 Plate 23. Ill] The Five Islands : Belle Isle 225 120 feet in sufficient quantities to throw sand all over the is now bubbling out the hole where it can be easily collectedand ignited. A small amount of gas and oil was struck in holenumber four. The last three are probably of greater interestthan the others. Section at the shaft.—The shaft was sunk on the site of hole 11so we can feel quite sure of the material there. Shaft (Elevation above tide 7 feet) No. Depths Feet In. 1. 0-4 Clay 4 o 2. 4-13 Hard sand. . 9 o 3. 13- 30 Blue clay 17 o 4. 30- 40 Blue clay and sand 10 o 5. 40- 63 Hard clay and gravel 23 o 6. 63-68 Blue clay with crystalline masses, from the size of marble to a mans head, ofbaryte, galena, sphalerite, pyrite and chalcopyrite 5 o 7. 68- 95 Blue clay and shells 27 o 8- 95- 96/^ Rock. Impure black limestone and baryte i 6 9. 96)^-103 Blue clay with masses of baryte near the base 6 6 10. 103-116 Dark colored clay with large salt crystals 14 o 11. 116-117 Dark colored
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1892
