 | Geological Survey of Canada - 1862 - 688 páginas
...1'.. and W. These greenstone dykes are Interrupted by an intrusive syenite, a mass of which occupies an area of about thirty-six square miles in the townships of Grenville, Chatham, and Wmtworth. The specimens 1, 2, are derived from it, and Sis from an area of a similar character, occurring... | |
 | Edward John Chapman - 1864 - 260 páginas
...example of undoubted eruptive origin, is the great mass of syenite described by Sir William Logan as occupying an area of about thirty-six square miles...mass cuts a series of greenstone dykes belonging to a Btill earlier eruption ; and is in itself traversed by another series of porphyritic dykes of a necessarily... | |
 | 1864 - 526 páginas
...These dykes are interrupted by a great mass of reddish syenite, passing in some parts into granite, and occupying an area of about thirty-six square miles...the townships of Grenville, Chatham, and Wentworth. Dykes of this syenite extend from the central mass, and traverse the surrounding gneiss and limestone.... | |
 | 1864 - 968 páginas
...These dikes are interrupted by a great mass of reddish syenite, passing in some parts into granite, and occupying an area of about thirty-six square miles...the townships of Grenville, Chatham and Wentworth. Dikes of this syenite extend from the central mass, and traverse the surrounding gneiss and limestone.... | |
 | 1864 - 474 páginas
...These dikes are interrupted by a great mass of reddish syenite, passing in some parts into granite, and occupying an area of about thirty-six square miles...the townships of Grenville, Chatham and Wentworth. Dikes of this syenite extend from the central mass, and traverse the surrounding gneiss and limestone.... | |
 | Edward John Chapman - 1871 - 210 páginas
[ Lo sentimos, el contenido de esta página está restringido. ] | |
 | Cyrus Thomas - 1896 - 704 páginas
...with it, it is plain the syenite must be of posterior date. This mass of intrusive syeniie occupies an area of about thirty-six square miles in the townships of Grenville, Chatham and Wentworth ; and a glance at the accompanying m?p, showing the distribution of the crystal line limestone, in... | |
 | Geological Survey of Canada - 1897 - 1106 páginas
...Sir William Logan, is referred to by him as follows : — "This mass of intrusive syenite occupies an area of about thirty-six square miles in the townships of Grenville, Chatham and Wentworth. In its lithological character the rock is very uniform, being composed for the most part of orthoclase,... | |
 | Geological Survey of Canada - 1897 - 1098 páginas
...Sir William Logan, is referred to by him as follows : — "This mass of intrusive syenite occupies an area of about thirty-six square miles in the townships of Grenville, Chatham and Wentworth. In its lithological character the rock is very uniform, being composed for the most part of orthoclase,... | |
 | McGill University Department of Geology - 1897 - 260 páginas
...by Sir William Logan, is referred to by him as follows:— "This mass of intrusive syenite occupies an area of about thirty-six square miles in the townships of Grenville, Chatham and Wentworth. In its lithological character the rock is very uniform, being composed for the most part of orthoclase,... | |
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... intrusions of acid plutonic rock break Intrusive through the gneisses, one in the south-western and the other in the north-eastern corner of the area. The former, which was examined many years ago by Sir William Logan, is referred to by him as follows... 