NJDEP - NJGS - First Annual Report of the Geological Survey of the ...

83:Resembles I. A. in its appearancS, and in its behavior underthe influence of heat in a 9ioso tube, and on platinum,except that it does not assume the spheroidal state, nor becomecaked together on cooling. Water boiled upon the marls acquirestho same color and odor as from I. A., andbecomes neitheracid nor alkalino in its reaction. Solutions of the marlin dilute acids possess a daxk ambar color, and astrong smellof formic acid, indicating the presence of t m imperfectly knownproducts of the decay of vegetable'tissue called ulmine, ulmioacid, etc. _[cating with a little excess o( nitric acid partlydischarges the color.Tile ingredients of this variety are :--1. Soluble in water.Sulphate of lime, considerable.Ammolfia-humat_ of lime, ]Chloride of calcium, ' | "Chloride of magnesium, _traces./Chloride of sodium, j2. So]ublo in chlorobydric acid.Lime, 50.88 E_iu,e,_.97"i_°l°"t _or,. ¢,,,t,o_ ,1_.Magnesia, with a trace of oxideof manganese, 0.86 Equivalent magncsia_ to0,76e_rbonate p. o!Carbonic aekt, 38.90Combined water,Organic acids, } by loss. 4.34Sesquioxide of ffon, with trace ofalumina, 0.16:Phosphate of lime, 0.663. Insoluble.in cl_lorohydric acid.Amorphous silica, 0.37Organic substances, including humicacid, decaycd vegetablefibre, etc., 3.54Hygroscopic water, 1.29_itrogen, undetermined.100.00NEW JERSEY GEOLOGICAL SURVEY