Garnets in gneiss. —in mica-slate. —at Panuncillo.
Gardichaud, M., on granites of Brazil.
Gay, M., on elevated shells. —on boulders in the Cordillera. —on fossils from Cordillera of Coquimbo.
Gill, Mr., on brickwork transported by an earthquake-wave.
Gillies, Dr., on heights in the Cordillera. —on extension of the Portillo range.
Glen Roy, parallel roads of. —sloping terraces of.
Gneiss, near Bahia. —of Rio de Janeiro. —decomposition of.
Gold, distribution of.
Gorodona, formations near. Granite, axis of oblique, to foliation. —andesitic. —of Portillo range. —veins of, quartzose. —pebble of, in porphyritic conglomerate. —conglomerate.
Grauwacke of Uspallata range.