Bulletin 799 Plate 4A Kinzers Pseudoconglomerate

The Kinzers Formation is a

geologic formation A geological formation, or simply formation, is a body of rock having a consistent set of physical characteristics ( lithology) that distinguishes it from adjacent bodies of rock, and which occupies a particular position in the layers of rock exp ...

Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...

. It preserves fossils dating back to the Cambrian

Period Period may refer to: Common uses * Era, a length or span of time * Full stop (or period), a punctuation mark Arts, entertainment, and media * Period (music), a concept in musical composition * Periodic sentence (or rhetorical period), a concept ...

. The base of the Kinzers Formation is primarily a dark-brown shale. The middle is a gray and white spotted

limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...

and, locally,

marble Marble is a metamorphic rock composed of recrystallized carbonate minerals, most commonly calcite or dolomite. Marble is typically not foliated (layered), although there are exceptions. In geology, the term ''marble'' refers to metamorphose ...

having irregular partings. The top is a sandy limestone which weathers to a fine-grained, friable, porous, sandy mass.

Type section

Named from exposures at a railroad cut at Kinzers, Lancaster County, Pennsylvania.Stose, G.W., and Jonas, A.I., 1922. ''The lower Paleozoic section in southeastern Pennsylvania'', Washington Academy of Sciences, Journal v. 12, no. 5, p. 358-36

/ref>

Other outcrops

The Kinzers overlies the

Vintage Dolomite The Vintage Dolomite is a Formation (geology), geologic formation in Pennsylvania. It preserves fossils dating back to the Cambrian Period (geology), period. Type section Named from exposures at a railroad cut at Vintage, Pennsylvania, Vintage, ...

at the type section of the Vintage at a railroad cut at

Vintage Vintage, in winemaking, is the process of picking grapes and creating the finished product—wine (see Harvest (wine)). A vintage wine is one made from grapes that were all, or primarily, grown and harvested in a single specified year. In certa ...

, Pennsylvania. Kinzers Formation Vintage Dolomite 20190523

High quality fossil specimens (''

Lagerstätte A Lagerstätte (, from ''Lager'' 'storage, lair' '' Stätte'' 'place'; plural ''Lagerstätten'') is a sedimentary deposit that exhibits extraordinary fossils with exceptional preservation—sometimes including preserved soft tissues. These f ...

'') were obtained from the Noah Getz Quarry, one mile north of Rohrerstown, Pennsylvania, but the quarry location is overgrown and disturbed by development. The fossils are from the Emigsville Member, and include the trilobite '' Olenellus thompsoni'', the

radiodont Radiodonta is an extinct order of stem-group arthropods that was successful worldwide during the Cambrian period. They may be referred to as radiodonts, radiodontans, radiodontids, anomalocarids, or anomalocaridids, although the last two original ...

'' Lenisicaris pennsylvanica'', the bivalve '' Tuzoia getzi'', and the green algae '' Margaretia dorus''.Noah Getz Quarry
at mindat.org

References

External links

* Geologic formations of Maryland Paleontology in Maryland Geologic formations of Pennsylvania Paleontology in Pennsylvania Cambrian geology of Pennsylvania Geologic formations of Virginia Paleontology in Virginia Cambrian south paleopolar deposits Cambrian southern paleotemperate deposits {{Pennsylvania-geologic-formation-stub

Type section

Other outcrops

See also

References

External links