Taxonomy Undesirable expressions Notes on grammar, spelling, usage, and vocabulary. Formal and informal geologic-formation names: General style. List of abbreviations 1. Leave no space after one-letter abbreviations, except for author's names: e.g. n.sp. Ph. D. nov. Middle East and U.S. oil production fell in 1991. 3. Note that some abbreviations are acceptable in maps and charts only; some abbreviations have periods; others do not. In general, if an abbreviation might be confused with a word, a period is used. The American Chemical Society (ACS) publishes many journals. Subscriptions can be ordered by contacting the ACS. 5. Articles (a, an, the) are used with abbreviations unless the abbreviation is normally pronounced as a word: The EPA has issued new regulations. Quot;tion marks are used only when the aquifer game of thrones the climb legendado name is a misnomer: "500-ft" sand. 6. Hydrologic and geologic names should be clearly distinguished: Wells completed in Madison Limestone ( not Madison wells) Water from the Madison aquifer ( not Madison water) 7. Hall-Fast! A multi-award winning industrial supplies company servicing the UK and over 82 overseas markets. Supplying over 200,000 standard product lines! This style manual and word-usage guide is designed to provide guidance to editors, proofreaders, and graphic-arts and automated-cartography personnel, authors, and word-processors. Using a style manual ensures quality, clarity, and consistency in our publications. Other style manuals recommended to supplement this are the. Analysis showed the presence of Mg, Sb, Rb, Pt, Ag, and Au. 2. Spell out names of elements or compounds unless the terms are complex (note use of hyphens sodium chloride solution Ca-Mg-SO3-NO3 solution 3. Use symbols instead of the spelled out chemical name when. Capitalize geologic-time divisions according to the USGS Suggestions to Authors, 7th edition, p. 59. Chemistry (See USGS Suggestions to Authors, 7th Edition, p. 91, and The McGraw-Hill Style Manual ) 1. Chemical names, rather than the symbols, are generally used except in long lists: Analysis. If you have any questions concerning style, grammar, or word usage, feel free to contact the editor. Contents Abbreviations. Aquifer names Capitalization Chemistry Compounding and spelling Computer languages, names, programs, subroutines, etc. Geologic time. Geochronology Italics Mathematical expressions Numbers Punctuation Reference style.