WorldWide Drilling Resource

ture and containing stones oriented with their long axes generally parallel to the direction of ice movement. Loewinson-Lessing Classification - A chemical classification of igneous rocks into the four main types - acid, intermedi- ate, basic, and ultrabasic - based on silica content. Log - Acontinuous record as a function of depth, usually graphic and plotted to scale on a narrow paper strip (called a log strip) of observations made on the rocks and fluids encountered in a well bore. 24 JUNE 2015 WorldWide Drilling Resource ® Frequently-Used Geological Terms Part 40 Glossary Adapted from the Dictionary of Geological Terms L - Continued Llano - An extensive plain with or without vegetation. LNG - Acronym for liquified natural gas. Load - The material moved or carried by natural transporting agents such as a stream, glacier, or wind. Also refers to the quantity of those materials at any time. Loam - A rich, permeable soil composed of a mixture of clay, silt, sand, and organic matter. Locke Hand Level - A hand level with fixed bubble tube which can be used only for horizontal sighting. Lode - A mineral deposit consisting of a zone of veins, veinlets, or disseminations. Also a mineral deposit in solid rock. Lodestone - A piece of magnetite pos- sessing polarity like a magnet or mag- netic needle. It will attract iron objects when suspended freely. Lode Tin - Tin ore occurring in veins and distinguished from stream tin. Lodgment Till - A basal till commonly characterized by compact fissile struc- More terms to come next month! David, Baroid IDP. The men of Franklin Electric. A great-looking group from Wholesale Pump & Supply. Joseph & Jim, GCO Supply, Inc. Part of our WWDR Team, Marie and Troy. A superb interactive seminar! Southwest Mississippi Well Drillers “If we had more justice there would be less need of charity.” h Henry Ford