...associated with many of the soils derived from hornblendic rocks. •A clew to the nature of the rode formations in a given region is often furnished by...hornblende, etc., are characteristic of the Roan gneiss. Ot'CURllTCNCE OF MONAZITE. Up to the present time the only deposits of monazite successfully worked...

...rock-formations in a given region is often furnished by the character of the gravels in the bottom-lands and streams draining that region. Thus, in this area...granite, or its contact, or a very highly pegmatized country-rock. Garnets and hematite iron-ore, with which blocks of mica- or cyanite-gueiss are associated,...

...rock-formations in a given region is often furnished by the character of the gravels in the bottom-lands and streams draining that region. Thus, in this area...granite, or its contact, or a very highly pegmatized •country-rock. Garnets and hematite iron-ore, with which hlocks •of mica- or cyanite-gneiss are...

...by the character of the gravels in the bottom-lands and streams draining that region. T\ius, \u \K\% area a very light-colored gravel, with much quartz...granite, or its contact, or a very highly pegmatized country-rock. Garnets and hematite iron-ore, with which blocks of mica- or cyanite-gneiss are associated,...

...gravels in the bottom lands and streams draining that region. Thus in this area a very light colored gravel with much quartz debris indicates a granite...are characteristic of the Roan gneiss. OCCURRENCE Monazite has been found in several varieties of rocks, in the soils derived from monazite bearing formations,...

...rock-formations in a given region is often furnished by the character of the gravels in the bottom-lands and streams draining that region. Thus, in this area...granite, or its contact, or a very highly pegmatized country-rock. Garnets and hematite iron-ore, with which blocks of mica- or cyanite-gneiss are associated,...