 | Geological Society of Glasgow - Geology - 1888 - 434 pages
...it is stated that "some clay ironstones exhibit another concretionary form called ' Conein-cone,' ns the seam of ironstone breaks into conical forms with...and bottom of the seam, and their apices pointing inwards towards each other. The surfaces of these cones are corrugated by small horizontal fretted... | |
 | Joseph Beete Jukes - Geology - 1872 - 810 pages
...seam, and their apices pointing inwards towards each other. The surfaces of these cones are cornigated by small horizontal fretted wavelets, or ridges, rather...coats, the surface of each being similarly corrugated. Some coals also exhibit a curious structure in the interior, somewhat analogous to this, showing, when... | |
 | Joseph Beete Jukes - Geology - 1872 - 830 pages
...state of solution. Some clay ironstones exhibit another concretionary form, called " cone in cone," as the seam of ironstone breaks into conical forms with...and bottom of the seam, and their apices pointing inwards towards each other. The surfaces of these cones are corrugated by small horizontal fretted... | |
 | Horace Bolingbroke Woodward, Edwin Tulley Newton - Geology - 1887 - 704 pages
...part replaced by lime. Some clay-ironstones exhibit a concretionary form, called ' cone in cone ' as the seam of ironstone breaks into conical forms with...several coats, the surface of each being similarly corrugated.3 According to Mr. Sorby, this has been produced by concretionary crystallization after... | |
 | Henry Woodward - Geology - 1892 - 634 pages
...there stated that "some clay ironstones exhibit another concretionary form called ' cone-in-cone,' as the seam of ironstone breaks into conical forms, with the bases of the cones at the top and bottom of the seam, and their apices pointing inwards towards each other." In my paper... | |
 | Henry Woodward - Electronic journals - 1892 - 630 pages
...there stated that "some clay ironstones exhibit another concretionary form called ' cone-in-cone,' as the seam of ironstone breaks into conical forms, with the bases of the cones at the top and bottom of the seam, and their apices pointing inwards towards each other." In my paper... | |
 | Geological Society of Glasgow - Geology - 1888 - 422 pages
...it is stated that "some clay ironstones exhibit another concretionary form called ' Conein-coue,' as the seam of ironstone breaks into conical forms with...and bottom of the seam, and their apices pointing inwards towards each other. The surfaces of these cones are corrugated by small horizontal fretted... | |
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Conein-coue,' as the seam of ironstone breaks into conical forms with the bases of the cones at top and bottom of the seam, and their apices pointing inwards towards each other. The surfaces of these cones are corrugated by small horizontal fretted wavelets,... 