88 BULLETIN 94, UNITED STATES NATIONAL MUSEUM. 



Per cent. 



Silica (SiO^) 33.11 



Titanic oxide (TiOj) Traces. 



Chromic oxide (Cr^Oj) .58 



Alumina (Al^Og) L 77 



Ferrous oxide (FeO) 27.97 



Iron (Fe) 3.81 



Nickel oxide (NiO) 1.77 



Nickel (Ni) .43 



Cobalt oxide (CoO) Trace. 



Cobalt (Co) 0.01 



Maiiganous oxide (MnO) Trace. 



Magnesia (MgO) 21.59 



Lime (CaO) 1.31 



Soda (Na^O) . G5 



Potash (K^O) .28 



Ignition (H^O) 3.03 



Phosphoric acid (PgO^) .37 



Sulphur (S) 1.88 



Extra (O) 1 1.76 



100. 32 

 Less O for S .92 



99.40 



From this and tlie study of thin sections the mineral composition 

 was calculated as below : 



Ter cont. 



Nickel-iron 4. 3 



Troilite 5. 2 



Chroraite . 9 



Schreibersite (?) .8 



Olivine 30. 2 



Bronzite 23. 6 



Pyroxene 5.0 



Oligoclase G. 6 



Orthoclase 1. 6 



Limonite 20. 2 



Nickel oxide 1. G 



100.0 

 Reference. — H. S. Washington, Amer. Journ. Sci., vol. 5, 1898, 

 p. 447. 



JEWELL HILL, MADISON COUNTY, NORTH CAROLINA. No. 62. 



Iron, Og. One gram. 



JHUNG, PUNJAUB, INDIA. No. 72. 



Stone, Ce. 1.22 grams. Fell in June, 1873. 



