In geology, a group is a lithostratigraphic unit consisting of a series of related formations that have been classified together to form a group. Formations are the fundamental unit of stratigraphy. Groups may sometimes be combined into supergroups .
13-397: Grouping generally refers to the creation of one or more groups , or to the groups themselves. More specifically, grouping may refer to: Group (disambiguation) (Redirected from Group (disambiguation) ) [REDACTED] The present page holds the title of a primary topic , and an article needs to be written about it. It
26-566: A category of car allowed to compete in auto racing Army group Militia groups Rebel groups Terrorist groups Group (military unit) , an air force formation Corporate group , a group of affiliated companies Group psychotherapy , sometimes colloquially known as "group" Musical ensemble See also [ edit ] All pages with titles containing Group Affiliation (disambiguation) Association (disambiguation) Class (disambiguation) Grouping (disambiguation) Grup (disambiguation) Grupp ,
39-497: A classification category in the International Code of Nomenclature for Cultivated Plants Galaxy groups and clusters , in cosmology Group (firearms) , the grouping of shots from a firearm Language group, a unit of classification within a Language family Other uses [ edit ] Breed Groups (dog) , the group or category to which breeds of dogs are assigned by kennel clubs Group (auto racing) ,
52-444: A collective goal and is linked to an external environment Peer group , an entity of three or more people with similar age, ability, experience, and interest Social science [ edit ] In-group and out-group Primary, secondary, and reference groups Social group Collectives Philosophy and religion [ edit ] Khandha , a Buddhist concept of five material and mental factors that take part in
65-403: A group whose members share the same cultural identity Ethnic group , a group whose members share the same ethnic identity Religious group (disambiguation) , a group whose members share the same religious identity Social group , a group whose members share the same social identity Tribal group , a group whose members share the same tribal identity Organization , an entity that has
78-412: A surname List of animal names , including collective nouns for groups of animals Set (disambiguation) Syndicate The Group (disambiguation) Union (disambiguation) Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with the title Group . If an internal link led you here, you may wish to change the link to point directly to
91-636: Is believed to qualify as a broad-concept article . It may be written directly at this page or drafted elsewhere and then moved to this title. Related titles should be described in Group , while unrelated titles should be moved to Group (disambiguation) . [REDACTED] [REDACTED] Look up group in Wiktionary, the free dictionary. A group is a number of persons or things that are located, gathered, or classed together. Groups of people [ edit ] Cultural group ,
104-586: The Glenwoody Formation , other strata (particularly in the lower part of the group) remain undivided into formations. Some well known groups of northwestern Europe have in the past also been used as units for chronostratigraphy and geochronology . These are the Rotliegend and Zechstein (both of Permian age); Buntsandstein , Muschelkalk , and Keuper ( Triassic in age); Lias , Dogger , and Malm ( Jurassic in age) groups. Because of
117-866: The Wingate Sandstone , the Moenave Formation , the Kayenta Formation , and the Navajo Sandstone . Each of the formations can be distinguished from its neighbor by its lithology , but all were deposited in the same vast erg . Not all these formations are present in all areas where the Glen Canyon Group is present. Another example of a group is the Vadito Group of northern New Mexico . Although many of its strata have been divided into formations, such as
130-465: The Internet [ edit ] Group (computing) , a collection of users or other objects Group (database) Group (online social networking) Usenet newsgroup Google Groups Yahoo! Groups Facebook groups Other uses in science and technology [ edit ] Group (stratigraphy) , in geology, consisting of formations or rock strata Cultivar group , in biology,
143-532: The intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Group&oldid=1243788867 " Category : Disambiguation pages Hidden categories: Disambiguation pages to be converted to broad concept articles Short description is different from Wikidata All article disambiguation pages All disambiguation pages Group (stratigraphy) Groups are useful for showing relationships between formations, and they are also useful for small-scale mapping or for studying
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#1732765403234156-432: The rise of craving and clinging Science and technology [ edit ] Mathematics [ edit ] Group (mathematics) , a set together with a binary operation satisfying certain algebraic conditions Chemistry [ edit ] Functional group , a group of atoms which provide some property to a molecule Group (periodic table) , a column in the periodic table of chemical elements Computing and
169-468: The stratigraphy of large regions. Geologists exploring a new area have sometimes defined groups when they believe the strata within the groups can be divided into formations during subsequent investigations of the area. It is possible for only some of the strata making up a group to be divided into formations. An example of a group is the Glen Canyon Group , which includes (in ascending order)
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