Two major classification schemes, the Folk and the Dunham, are used for identifying limestone and carbonate rocks.

Robert L. Folk developed a classification system that places primary emphasis on the detailed composition of grains and interstitial material in carbonate rocks.

Folk taxonomy, which is a classification of objects using common names, has no formal rules.

Carbonate rocks are classified with the Dunham or Folk classification schemes according to the constituents of the carbonate rock.

Well-cemented coquinas are classified as biosparites according to the Folk classification of sedimentary rocks.

Folk biological classification is the way peoples describe and organize their natural surroundings / the world around them, typically making generous use of form taxa like " shrubs ", " bugs ", " ducks ", " ungulates " and the likes.

* Berlin, Brent & Dennis E. Breedlove & Peter H. Raven ( 1966 ) ' Folk taxonomies and biological classification ', Science, 154, 273-275.

He also further focused on Folk biology, a sub field of ethnobiology, which refers to the biological classification and reasoning particular to cultural group.

Folk music is primarily distinguished by several styles.

This is a tour of American music — jump blues, slow blues, rockabilly, Tin Pan Alley ballads, Country Swing — that evokes the sprawl, fatalism and subversive humor of Dylan's sacred text, Harry Smith's Anthology of American Folk Music, the pre-rock voicings of Hank Williams, Charley Patton and Johnnie Ray, among others, and the ultradry humor of Groucho Marx.

The smith hero Völundr is identified as ' Ruler of Elves ' ( vísi álfa ) and ' One among the Elven Folk ' ( álfa ljóði ), in the poem Völundarkviða, whose later prose introduction also identifies him as the son of a king of ' Finnar ', an Arctic people respected for their shamanic magic ( most likely, the sami ).

" One widely used definition is simply " Folk music is what the people sing ".

In Spain, the Visigoth ic nobleman Pelagius of Asturias | Pelagius who founded the Kingdom of Asturias and began the Reconquista at the Battle of Covadonga, is a Folk hero | national hero regarded as the country's first monarch.

Folk harps with levers installed have a lever close to the top of each string ; when it is engaged, it shortens the string so its pitch is raised a semitone, resulting in a sharped note if the string was a natural, or a natural note if the string was a flat.

The Folk system uses two-part names ; the first refers to the grains and the second is the root.

It is helpful to have a petrographic microscope when using the Folk scheme, because it is easier to determine the components present in each sample.

Folk kagura, or kagura from the countryside is divided according to region.

Shetlandic is used both in local radio and dialect writing, and kept alive by the Shetland Folk Society.

The album won a Grammy in 2000 ; as an indicator of how difficult it is to classify Waits's music, he was nominated simultaneously for Best Contemporary Folk Album ( which he won ) and Best Male Rock Vocal Performance ( for the song " Hold On "), both different from the genre for which he won his previous Grammy.

* Van Diemen's Land is mentioned in the song " Australia " by comedy folk band Folk On.

The Woody Guthrie Folk Festival is held annually in mid-July to commemorate Guthrie's life and music.

* In Stephen R. Lawhead's Pendragon Cycle, Lyonesse is where refugees from Atlantis ( the " Fair Folk ") settle, the word Lyonesse being derived from the Celtic corruption of the word Atlantis.

The American Asatru Folk Assembly defines Ásatrú as " an expression of the native, pre-Christian spirituality of Europe " postulating it as " native European religion " in general " just as there is Native American religion and native African religion ".

The rhyme is listed in the Roud Folk Song Index as No. 13026.

* The Kingdom of East Anglia is founded by the Angle groups " North Folk " and " South Folk ", naming the places of Norfolk and Suffolk, respectively.

Folk singer Odetta's album To Ella ( 1998 ) is dedicated to Fitzgerald, but features no songs associated with her.

* Folk Dance / Barn dance: At English folk or country dances a very wide range of dances is performed, many of which are square dances: Playford style dances ; dances derived from the quadrille, for example “ La Russe ” published by H. D.

* The Folk Art Museum is beautifully preserved old house which provides a very interesting collection of Cypriot Folk Art of the last two centuries.

The Kingdom of the East Angles, formed about the year 520 by the merging of the North and the South Folk ( Angles who had settled in the former lands of the Iceni during the previous century ), was one of the seven Anglo-Saxon heptarchy kingdoms ( as defined in the 12th century writings of Henry of Huntingdon ).

According to Stanley Cohen, author of Folk Devils and Moral Panics ( 1972 ) and credited as creator of the term, a moral panic occurs when " condition, episode, person or group of persons emerges to become defined as a threat to societal values and interests ".

Like the Wyld environment they inhabit, Fair Folk are partially and provisionally confined and defined by their proximity to the structure of Creation, temporarily taking on aspects of the created world by interacting with it.

It is sometimes considered a brand of Taoism, a Folk Taoism, since over the centuries institutional Taoism has been attempting to assimilate or administrate local religions ; actually and more accurately Taoism can be defined as a branch of Shenism, since it sprang out of folk religion and Chinese philosophy.

From the standpoint of enlightened science, the limit or boundary of different epistemological fields needs to be enumerated or well defined, i. e., in this case, the binaries like Folk language / language, folk-art / non-folk-art, Folksong / Classical song, Folk drama / theatre must be distinguished according to the existing enlightened “ scientific ” logic.

These two days capped a period of extreme eclectic cultures-Rap, Modern Rock, Grunge, Classic Rock, and Folk and brought them together in a way that defined the rest of the decade.

Folk rock songs like Bob Dylan's 1963 Masters of War and A Hard Rain's a-Gonna Fall articulated the dread caused by the threat of nuclear war.

Folk songs may be classified by subject matter, such as: drinking songs, sporting songs, train songs, work songs, war songs, and ballads.

In early 1964, Benny and Christina joined a group with the odd name " Elverkets Spelmanslag " (" The Electricity Board Folk Music Group "), who by no means was a folk music ensemble: the name was a punning reference to their electric instruments.

All the music was written by and performed by himself on accordion, backed by the Orsa Spelmän ( Orsa Folk Musicians ) on fiddles.

) by Keidō Matsushita, published in volume 5 of the journal Shōnai Minzoku (, Shōnai Folk Customs ) on June 15, 1957 ).

Folk music was already " seen as the authentic expression of a way of life now past or about to disappear ( or in some cases, to be preserved or somehow revived )," particularly in " a community uninfluenced by art music " and by commercial and printed song.

Folk dances sometimes evolved long before current political boundaries, so that certain dances are shared by several countries.

Folk wisdom contends that dry grits, scattered where ants will eat them, can be used to kill them by causing them to ' explode ' as the grits expand inside them.

In the United States, ethnic mysticist approaches are advocated in the form of anti-racist Asatru Folk Assembly founder Stephen McNallen's " metagenetics " and by David Lane's openly white supremacist Wotanism.

Depending on the religion, saints are recognized either through official church recognition or by popular acclaim ( see Folk saints ).

The fantasy novel The Folk of the Air by Peter S. Beagle was written after the author attended a few early SCA events circa 1968 ; but he has repeatedly stated that he then studiously avoided any contact with the actual SCA itself for almost two decades, so that his description of a fictitious " League for Archaic Pleasures " would not be " contaminated " by contact with the actual real-life organization.

Folk poems were sung by workers to accompany their work and narrate the story of their lives.

Folk magicians throughout Europe were often viewed ambivalently by communities, and were considered as capable of harming as of healing, which could lead to their being accused as " witches " in the negative sense.

* July 25 – Bob Dylan elicits controversy among folk purists by " going electric " at the Newport Folk Festival.

A volume of photographs almost completely drawn from the files of the Farm Security Administration, with text by Wright, Twelve Million Black Voices: A Folk History of the Negro in the United States was published in October 1941 to wide critical acclaim.

* Download & play a recording of " Jenny Lind ", a polka from the Library of Congress ' California Gold: Northern California Folk Music from the Thirties Collection ; performed by John Selleck ( violin ) on October 2, 1939 in Camino, California.

The soundtrack features songs by Newman, Bobby Darin, The Who, Free, Eels, The Guess Who, Bill Withers, Betty Carter, Peggy Lee, The Folk Implosion, Gomez, and Bob Dylan, as well as two cover versions — The Beatles ' " Because " performed by Elliott Smith, and Neil Young's " Don't Let It Bring You Down " performed by Annie Lennox.