20 it occurs with zinc in reticulated deposits and fissure veins in clays and clastic limestones; and in the third, of which Jasper county is much the most important county, the two metals occur in pockets and joints in the Burlington-Keokuk beds of the sub-Carboniferous.
clastic הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד