Report, Band 12Johns Hopkins Press, 1928 CONTENTS.--Vol. I (1897)--Vol. II (1898)--Vol. III (1899)--Vol. IV (1902)--Vol. V (1905)--Vol. VI (1906)--Vol. VII (1908)--Vol. VIII (1909)--Vol. IX (1911)--Vol. X (1918)--Vol. XI (1922)--Vol. XII (1928)--Vol. XIII (1937)--Vol. XIV (1941) |
Im Buch
Ergebnisse 1-5 von 49
Seite 50
... small branch of the Severn River two miles west of Boon Station . Here the outcrop is twelve to fifteen feet thick and seems to be quite uniform in texture over the whole exposure . The usable sand 50 THE MOLDING SANDS OF MARYLAND.
... small branch of the Severn River two miles west of Boon Station . Here the outcrop is twelve to fifteen feet thick and seems to be quite uniform in texture over the whole exposure . The usable sand 50 THE MOLDING SANDS OF MARYLAND.
Seite 52
... outcrop was not sampled . ARUNDEL FORMATION . - There is a very exceptional occurrence of molding sand occurring in this formation . This deposit is unusual because at most of the outcrops in this area the Arundel material is ...
... outcrop was not sampled . ARUNDEL FORMATION . - There is a very exceptional occurrence of molding sand occurring in this formation . This deposit is unusual because at most of the outcrops in this area the Arundel material is ...
Seite 53
Maryland Geological Survey. to be fairly uniform at the outcrop and does not contain any clayey impurities . MOLDING SAND , 1 MILE SOUTHWEST SAVAGE STATION The sample , No. 1519 , was collected at a roadside cut on property owned by E ...
Maryland Geological Survey. to be fairly uniform at the outcrop and does not contain any clayey impurities . MOLDING SAND , 1 MILE SOUTHWEST SAVAGE STATION The sample , No. 1519 , was collected at a roadside cut on property owned by E ...
Seite 54
... outcrop showed four feet of molding sand whose grains were principally quartz with some glau- conite , overlain by about two and one - half feet of sandy material , with some sod . MOLDING SAND , MILE SOUThwest of BesTGATE STATION The ...
... outcrop showed four feet of molding sand whose grains were principally quartz with some glau- conite , overlain by about two and one - half feet of sandy material , with some sod . MOLDING SAND , MILE SOUThwest of BesTGATE STATION The ...
Seite 55
... New Annapolis road , one and one - half miles southeast of Revell Station on the Baltimore and Annapolis Short Line Railroad . The outcrop which was sampled is approximately fifty yards east MARYLAND GEOLOGICAL SURVEY 55.
... New Annapolis road , one and one - half miles southeast of Revell Station on the Baltimore and Annapolis Short Line Railroad . The outcrop which was sampled is approximately fifty yards east MARYLAND GEOLOGICAL SURVEY 55.
Andere Ausgaben - Alle anzeigen
Häufige Begriffe und Wortgruppen
30 feet Albany sand altered arbitrators award Baltimore County Baltimore gneiss BOND AND PERMEABILITY boundary line buddle Cecil County chlorite chromite Clay class Clay Sub cleavage Coarseness figure color commissioners compact Company Creek crystals deposits diabase diallage Dye Adsorption figure east epi-diorite farm feet deep feet long feet wide feldspar feldspar quarries fibrous FINENESS TEST flint formation gabbro Geol gneiss grade Grain class Grain fineness granite green Harford County hauled hill hornblende hypersthene hypersthene gabbro intrusive limestone located magnetite Marriottsville Maryland and Virginia masses material metamorphism mica mica schist microscope mile southeast mill mineral molding sand northeast occurs olivine opening outcrop pegmatite Pennsylvania peridotites PERMEABILITY TESTS pits plagioclase potash Potomac River pottery production pyroxene pyroxenites quarry Plate VII quartz railroad region road rock sample sand chrome schist schistose serpentine serpentine areas shows soapstone specimens Survey talc tremolite veins Virginia and Maryland width
Beliebte Passagen
Seite 36 - And be it enacted, That this Act shall take effect from the date of its passage.
Seite 36 - That the sum of four thousand and six hundred dollars be, and the same is hereby, appropriated, to be paid out of any money in the Treasury not otherwise appropriated...
Seite 24 - The citizens of each state respectively shall have full property in the shores of Potomack river adjoining their lands, with all emoluments and advantages thereunto belonging, and the privilege of making and carrying out wharves and other improvements, so as not to obstruct or injure the navigation of the river...
Seite 273 - A light-green chloritic rock somewhat schistose. Very soft and easily crushed by the hammer. There are some dark stains between the layers. Under the microscope the rock is seen to be made up of chlorite and actinolite. Cf . 69B. There is much magnetite in crystals, in beautiful cubes and octahedrons. There is a little quartz. The chlorite is green and pleochroic in slightly pleochroic blades with cross gashes. Extinction inclined.
Seite 33 - States, the Governor of this State be, and he is hereby authorized and empowered to appoint a...
Seite 17 - Beginning at the point on the Potomac River where the line between Virginia and West Virginia strikes the said river at low-water mark, and thence following the meanderings of said river by the low-water mark to Smith's Point, at or near the mouth of the Potomac, in the latitude 37° 53' 8
Seite 17 - Survey, we have come as near) to perfect mathematical accuracy as in the nature of things is possible. But in case of any inaccuracy in the described course or length of a line or in the latitude or longitude of a place the natural objects called for must govern.
Seite 18 - Virginia is entitled not only to full dominion over the soil to low-water mark on the south shore of the Potomae, but has a right to such use of the river beyond the line of low-water mark as may be necessary to the full enjoyment of her riparian ownership...
Seite 173 - ... 2.55 The ore minerals have the same appearance in Sample IV as in the others and they are made up either of a spinel molecule in which Cr2O3 has given way almost completely to A12O3 and Fe2O3 or a mixture of a spinel in which Cr2O3 has given way to much A12O3 with considerable magnetite. The percentage of titanium also indicates a higher percentage of ilmenite. In order to get a clearer idea of the nature of the ore particles in these concentrates and particularly in the case of the two samples...