Chemical sedimentary rocks are a different type of sedimentary rock because they are not made up of weathered sediment grains; instead they are composed of mineral crystals that form out of solution. In other words, chemical sedimentary rocks contain crystals and other elements that have been dissolved out of water.
Had you heard that people from parts of New Orleans sound like New Yorkers, or that residents of North Carolina's outer banks can sound more like folks from Charleston, South Carolina than other southerners? All this information and more is available on Rick Aschmann's map of English dialects in North America. Regional American accents can be tough to decipher, especially for foreigners. In addition to being endlessly fascinating, Mr Aschmann's map can actually be a useful tool.
1 What makes it standard is that some speakers of American English have the social power to impose the variety of English they happen to use on speakers of other varieties. 2  They are in a position to make their English the prestigious form of English. 3  They can do so thanks to their social power. What makes it standard is that some speakers of American English have the social power to impose the variety of English they happen to use on speakers of other varieties. 2  They are in a position to make their English the prestigious form of English. 3  They can do so thanks to their social power.