 | Michigan. Legislature - Michigan - 1839 - 584 pages
...slidden from the summits or sides of mountains. It is now also applied to slides of earth and clay. Basalt. One of the common trap rocks. It is composed...columnar structure is there very strikingly displayed. Bitumen. Mineral pitch, which is often seen to ooze from fossil coal when on fire. Bitumenous shale.... | |
 | Michigan. Legislature - Michigan - 1839 - 910 pages
...slidden from the summits or sides of mountains. It is now also applied to slides of earth and clay. Basalt. One of the common trap rocks. It is composed...has often a regular columnar form. The palisades of the'Hudson show the columnar aspect of trap rocks. The Giant's Causeway is cited as an example of basaltic... | |
 | Michigan. Legislature. House of Representatives - Michigan - 1839 - 910 pages
...slidden from the summits or sides of mountains. It is now also applied to slides of earth arid clav. Basalt. One of the common trap rocks. It is composed of augite and feldspar, is hard, c impact and dark green or black, and has often a regular columnar form. The palisades of the Hudson... | |
 | Michigan. Legislature. House of Representatives - 1840 - 618 pages
...have slidden 1'rom the summits or sides of mountains. It is now applied to slides of earth and clay. Basalt. One of the common trap rocks. It is composed...often a regular columnar form. The Palisades of the Hudson_show the columnar aspect of trap rocks. The Giant's causeway is cited as an example of basaltic... | |
 | Michigan. Legislature - Michigan - 1840 - 604 pages
...have slidden from the summits or sides of mountains. It is now applied to slides of earth and clay. Basalt. One of the common trap rocks. It is composed...often a regular columnar form. The Palisades of the Hudson«show the columnar aspect of trap rocks. The Giant's causeway is cited as an example of basaltic... | |
 | William Williams Mather - Geology - 1841 - 310 pages
...found in some of the granitic rocks. mountains. It is now also applied to slides of earth and clay. Basalt. One of the common trap rocks. It is composed...columnar structure is there very strikingly displayed. Bitumen. Mineral pitch, which is often seen to ooze from fossil coal when on fire. Bituminous Shale.... | |
 | Michigan. Legislature - Michigan - 1841 - 632 pages
...have slidden Irom the summits or sides of mountains. It is now applied to slides of earth and clay. Basalt. One of the common trap rocks. It is composed...compact, and dark green or black, and has often a regular collumnar form. The Palisades of the Hudson show the columnar aspect of trap rocks. The Giants' causeway... | |
 | Michigan. Legislature - Administrative agencies - 1841 - 630 pages
...have sliddcn from the summits or sides of mountains. It is now applied to slides of earth and clay. Basalt. One of the common trap rocks. It is composed...compact, and dark green or black, and has often a regular collumnar form. The Palisades of the Hudson show the columnar aspect of trap rocks. The Giants' causeway... | |
 | Jacob Houghton, T. W. Bristol, William Austin Burt, Bela Hubbard - Copper mines and mining - 1846 - 124 pages
...a constituent of many volcanic and trappean rocks, and is also found in some of the granitic rocks. Basalt. One of the common trap rocks. It is composed...Hudson show the columnar aspect of trap rocks. The giant's causeway is cited as an example of basaltic rocks, and the columnar structure is there very... | |
 | Jacob Houghton, T. W. Bristol, William Austin Burt, Bela Hubbard - Copper mines and mining - 1846 - 130 pages
...many volcanic and trappean rocks, and is also found in some of the granitic rocks. Basalt. One of 1he common trap rocks. It is composed of augite and feldspar,...Hudson show the columnar aspect of trap rocks. The giant's causeway is cited as an example of basaltic rocks, and the columnar structure is there very... | |
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Basalt. One of the common trap rocks. It is composed of augite and feldspar, is hard, compact and dark green or black, and has often a regular columnar form. The palisades of the Hudson show the columnar aspect of trap rocks. The Giant's Causeway is cited... 
