48 
THE CAROLINE STONY METEORITE 
Plate XI. 
Fig. 1. Two residual cores of nickel-iron in an area of limonite in contact 
with a particle of pyrrhotite. Mag. 110. 
2. Grain of nickel-iron, etched with 2 per cent, picric acid in alcohol; 
the darkened area of kamacite is surrounded by an unattacked, 
marginal film of taenite. Mag. 400. 
3. Trevorite in a limonite vein showing colloform banding. Trevorite 
is cut by later narrow veins of limonite. Mag. 110. 
4. Grain of nickel-iron, etched with 2 per cent, picric acid in alcohol, 
composed of a darkened area of kamacite with a partial marginal 
film of taenite and an unattacked particle of taenite. Mag. 400. 
5. The Caroline stony meteorite, showing pitted and fractured surfaces 
in the upper part and a vein of oxidized nickel-iron in the lower 
left corner. 
