Questions and Answers from the Community. Maybe the size of mouse you are giving him is too big. Make sure the mouse is hot enough. Congratulations Conner Ives This years winner once again for Project Greenway. A ReFashion show hosted at Scarborough Presbyterian Church in Briarcliff. No more missed important software updates UpdateStar 11 lets you stay up to date and secure with the software on your computer. The Quarry Industry in General Prospecting for Marble. Important technical details of modern prospecting. Bowles, in which the following suggestions are given. Footnote 1, page 9. Everest Ram Test'>Everest Ram Test. Bowles, Oliver, The technology of. Bur. Mines Bull. 1. Value of geologic maps. Some. marble beds crop out in long narrow bands, which may extend. These bands represent truncated edges of folded. Other marble. beds have irregular outlines owing to faulting or to incomplete. Much of the. rock surface may be covered with gravel, sand, or clay to. The geologist may, by a careful study. If geologic maps of marble areas. By accurately locating himself in the field and. It is important, therefore, that all available. Detailed prospecting. Knowledge. of the suitability of any particular site can be gained only. It is unwise to proceed with development work without. Determination of overburden. The. depth of stripping necessary may be determined at small cost. Such preliminary tests may save. In estimating the necessary cost of stripping for. If the beds are flat a greater area of rock. Conditions relating to disposal of strippings are. Prototype 1 Magnet Link on this page. In certain places it is a matter of. Surface study. Surface. The process of weathering tends to emphasize. Exposed surfaces may also permit a determination of dip and. In determining the. On account. of surface weathering the top rock may differ materially. Moreover, the number. Gmail is email thats intuitive, efficient, and useful. GB of storage, less spam, and mobile access. Riverland Weekly Thursday December 2, 2010. Future of lakes plan uknown By BRAD PERRY LAKE Bonney Management Committee chairman Joe Gropler believes the. Simon writes. Hi, I found you website for Chrysler Sebring Coup owners and wondered if you could help. I have just got a Chrysler Sebring Lxi 98 2. Get your weekly DIY fix with our customized newsletter. Thanks Youve been added to our list. Good stuff is on its wayIn order to obtain. Diamond drill prospecting. The. ordinary diamond drill will give the necessary information. It will. not, however, give definite information concerning the dip. If drill. cores come out in long, unbroken sections that show no indication. If, on the other hand, the core is in short sections, the. A method of prospect drilling that has been employed. The use of such a drill enables the prospector to. If the cores are properly. If the marble deposit is well exposed. If. the cores are properly oriented, the proximity and direction. If the marble. deposit is well exposed, the dip and the strike may be determined. If, however, it is completely. Information should be obtained with a minimum number. PBN Audio loudspeakers including Montana speakers, GrooveMaster Turntables. In this respect prospecting for marble. A drill hole in a quarry. If the deposit. lies flat or nearly so, a single well placed core driven. If, however, the deposit dips at a moderate angle and is. The first drill hole. The holes. should be of such depth and spacing that the bottom of a. The core nearest the footwall should reach and penetrate. By this method a series of core holes of moderate. A marble deposit in which the color, texture, or. Most joints occur in two systems, the openings in. In Alaskan deposits generally more than two systems are present. The spacing of the cracks varies widely in different deposits. In many. places cracks persist to almost any depth to which quarrying. It is important to determine. Where the cracks are. There, under such conditions, a veridical hole is not reliable. It is practically impossible to take out good cores. The cores from a horizontal hole invariable. Therefore, if the marble. If the marble deposit stands. It is important to take cores near the top, near the middle. In order to get the fullest information from an. While the core is. From this information a plan may be made from which the probable. As a rule, drill cores are not preserved with sufficient. They are often carelessly stored, lost. It is important that every part. It must not be assumed that the value of drill. They are. invaluable records, which should be available at all times. All drill cores should be polished on one side, in. It is well to supplement.