How To Use amygdaloidal In A Sentence
- The openings in rocks consist of joints and many other fractures, small spaces between the grains of rocks (pore space), and amygdaloidal and other openings characteristic of surface volcanic rocks. The Economic Aspect of Geology
- The part of the western shore where the land is highest shelters a small bay which might be made a tolerable harbour by means of two piers or quays erected on reefs of a kind of rock apparently very favourable for the purpose, namely amygdaloidal trap in rounded boulders. Three Expeditions into the Interior of Eastern Australia, Volume 2
- Amygdaloidal cavities are located immediately below the uppermost scoriaceous part of the second flow, near its contact with the overlying flow.
- It should be mentioned that the term vein was used rather loosely in the Copper Country and was applied to any fissure vein or mineralized amygdaloidal flow top that was being mined.
- The ore bodies have the form of long sheets parallel to the bedding, the copper and associated minerals filling amygdaloidal openings and small fissures in the flows, and replacing conglomeratic sediments which lie between the flows. The Economic Aspect of Geology
- It is a common product of alteration in igneous rocks, and frequently occurs as well-developed crystals in association with zeolites lining the amygdaloidal cavities of basaltic and other rocks. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"
- This hill consisted of amygdaloidal trap in nodules, the crevices being filled with crystals of sulphate of lime, and there were many round balls of ironstone, like marbles or round shot, strewed about. Journal of an Expedition into the Interior of Tropical Australia
- It can be found in fissure veins and brecciated amygdaloidal basalt lodes but not in the conglomerate lodes.
- At the bottom of the shaft two 700-foot crosscuts were driven in a northwest and southeast direction, but only spotty mineralization was encountered in the intersected amygdaloidal lodes.
- Porcelaneous datolite occurred in the amygdaloidal lodes as veins, vesicle filling, and nodules.