tion, that the deformed marble was stronger when the experiment was tried at a higher temperature than at ordinary temperature, and that when deformed in the presence of moisture (water gas) and a high temperature the deformed marble was actually stronger than the original marble.
The difference in texture between granite and marble is that in marble the grains are all crystalline, with rhombohedral cleavage, mostly twined and more or less interlocked, but never in such an intricate way as they are in granite. To this fact
marked by certain peculiarities of color and texture, and in all of them the wide range of possibilities for structural and decorative purposes is constantly being demonstrated.
It is interesting to study the peculiarities of color and texture as found in these different and widely separated quarries, and that each location may receive its proper description and thus make such information as may be herein conveyed to
MARBLE PERGOLA IN A GARDEN AT CANANDAIGUA, N. Y.
ALLEN & COLLEYS, ARCHITECTS
and the marked cleavage of calcite and dolomite the generally lower cohesiveness of granite is largely due.
Marble in the United States
While marble has been found in many widely differing geological formations, it is obtained in the United States chiefly from the Paleozoic rocks. The larger and best known deposits are in the Eastern States, but later developments have uncovered large deposits in almost every section of the country.
In Vermont there are quarries that have been worked from Colonial days, and to the depth, unusual in this country, of 400 feet. There have also been developed equally important quarries in the southern States, more particularly in Tennessee and Georgia, and in the West in California and Colorado. Each locality, as will be inferred, is
the reader plain and comprehensible, the various sections will be treated separately.
Vermont Marble. The largest deposit of marble in Vermont is found in the western part of the State. As perhaps the oldest quarries worked in the United States, Vermont marble may properly be considered first. Many grades are quarried in Vermont, ranging from purest white, or “statuary marble,” to grey, or what is technically known as the “true blue” variety. Grey and green banded marbles have been found in recent years in some sections. These have found wise use for decorative purposes.
The history of Vermont marble dates from 1785 when the first quarry was opened at Dorset. In 1838 the quarries in Rutland were opened, and subsequently the quarrying of marble was extended to Danby, Proctor and Pittsford. In 1790 the first
The difference in texture between granite and marble is that in marble the grains are all crystalline, with rhombohedral cleavage, mostly twined and more or less interlocked, but never in such an intricate way as they are in granite. To this fact
marked by certain peculiarities of color and texture, and in all of them the wide range of possibilities for structural and decorative purposes is constantly being demonstrated.
It is interesting to study the peculiarities of color and texture as found in these different and widely separated quarries, and that each location may receive its proper description and thus make such information as may be herein conveyed to
MARBLE PERGOLA IN A GARDEN AT CANANDAIGUA, N. Y.
ALLEN & COLLEYS, ARCHITECTS
and the marked cleavage of calcite and dolomite the generally lower cohesiveness of granite is largely due.
Marble in the United States
While marble has been found in many widely differing geological formations, it is obtained in the United States chiefly from the Paleozoic rocks. The larger and best known deposits are in the Eastern States, but later developments have uncovered large deposits in almost every section of the country.
In Vermont there are quarries that have been worked from Colonial days, and to the depth, unusual in this country, of 400 feet. There have also been developed equally important quarries in the southern States, more particularly in Tennessee and Georgia, and in the West in California and Colorado. Each locality, as will be inferred, is
the reader plain and comprehensible, the various sections will be treated separately.
Vermont Marble. The largest deposit of marble in Vermont is found in the western part of the State. As perhaps the oldest quarries worked in the United States, Vermont marble may properly be considered first. Many grades are quarried in Vermont, ranging from purest white, or “statuary marble,” to grey, or what is technically known as the “true blue” variety. Grey and green banded marbles have been found in recent years in some sections. These have found wise use for decorative purposes.
The history of Vermont marble dates from 1785 when the first quarry was opened at Dorset. In 1838 the quarries in Rutland were opened, and subsequently the quarrying of marble was extended to Danby, Proctor and Pittsford. In 1790 the first