Chagres Formation

Chagres Formation
Stratigraphic range: Tortonian-Messinian
(Clarendonian-Hemphillian)
~11.6–5.3 Ma
TypeFormation
Sub-unitsRío Indio & Toro Limestone Members
Underliesalluvium
OverliesGatún Formation
Thicknessuncertain
Lithology
PrimarySandstone
OtherSiltstone
Location
Coordinates9°12′N 80°18′W / 9.2°N 80.3°W / 9.2; -80.3
Approximate paleocoordinates9°00′N 79°24′W / 9.0°N 79.4°W / 9.0; -79.4
RegionColón Province
Country Panama
ExtentPanama Basin
Type section
Named forChagres River
Named byMacDonald
Year defined1919
Chagres Formation is located in Panama
Chagres Formation
Chagres Formation (Panama)

The Chagres Formation (Tc)[1] is a geologic formation in the Colón Province of central Panama. The sandstones and siltstones were deposited in a shallow marine environment and preserve fossils dating back to the Middle to Late Miocene (Tortonian to Messinian, Clarendonian to Hemphillian in the NALMA classification) period.

Description

The Chagres Formation is exposed in the northern part of the Panama Canal Zone. The formation overlies and partly overlaps the Gatún Formation. The outcrop area lies entirely west of the Panama Canal, extending from the Canal Zone southwestward along the Caribbean coast, about 45 kilometres (28 mi) southwest of Colón. Calcareous strata at the base of the formation throughout most of the outcrop area in the Canal Zone constitute the Toro limestone member.[2]

The name Chagres Sandstone was proposed by MacDonald in 1919 for the sandstone forming the hills that overlook the coast from Toro Point to the mouth of the Chagres River. The sandstone is so massive that estimates of thickness are uncertain.[2]

Fossil content

Various fossils have been found in the Chagres Formation:[3]

Fish

Mammals

Invertebrates

See also

References

  1. ^ Geologic Map, 1980
  2. ^ a b Woodring, 1957, p.47
  3. ^ Pina at Fossilworks.org
  4. ^ a b c d e Schwarzhans & Aguilera, 2013
  5. ^ Aguilera et al., 2016
  6. ^ STRI 650009 at Fossilworks.org
  7. ^ Pyenson et al., 2015
  8. ^ Vélez Juarbe et al., 2015
  9. ^ Hendy et al., 2008

Bibliography

  • Aguilera, Órangel A.; Schwarzhans, Werner; Béarez, Philippe (2016), "Otoliths of the Sciaenidae from the Neogene of tropical America", Palaeo Ichthyologica, 14: 7–90, retrieved 2019-02-09
  • A. J. W. Hendy, D. P. Buick, K. V. Bulinski, C. A. Ferguson, and A. I. Miller. 2008. Unpublished census data from Atlantic coastal plain and circum-Caribbean Neogene assemblages and taxonomic opinions
  • Pyenson, Nicholas D.; Vélez Juarbe, Jorge; Gutstein, Carolina S.; Little, Holly; Vigil, Dioselina; O'Dea, Aaron (2015), "Isthminia panamensis, a new fossil inioid (Mammalia, Cetacea) from the Chagres Formation of Panama and the evolution of 'river dolphins' in the Americas" (PDF), PeerJ, 3: e1227, doi:10.7717/peerj.1227, PMC 4562255, PMID 26355720, retrieved 2019-02-09
  • Schwarzhans, Werner; Aguilera, Órangel (2013), "Otoliths of the Myctophidae from the Neogene of tropical America", Palaeo Ichthyologica, 13: 83–150, retrieved 2019-02-09
  • Stewart, R.H.; Stewart, J.L.; Woodring, W.P. (1980), Geologic Map of the Panama Canal and Vicinity (PDF), USGS, p. 1, retrieved 2019-02-09
  • Vélez Juarbe, Jorge; Wood, Aaron R.; De Gracia, Carlos; Hendy, Austin J.W. (2015), "Evolutionary Patterns among Living and Fossil Kogiid Sperm Whales: Evidence from the Neogene of Central America", PLoS ONE, 10 (4): e0123909, Bibcode:2015PLoSO..1023909V, doi:10.1371/journal.pone.0123909, PMC 4414568, PMID 25923213
  • Woodring, W.P (1957), Geology and Paleontology of Canal Zone and Adjoining Parts of Panama - 306A Geology and description of Tertiary mollusks (Gastropods: Trochidae to Turritellidae) (PDF), USGS, pp. 1–186, retrieved 2019-02-09

Read other articles:

Sri Jayabhupati

Artikel ini tidak memiliki referensi atau sumber tepercaya sehingga isinya tidak bisa dipastikan. Tolong bantu perbaiki artikel ini dengan menambahkan referensi yang layak. Tulisan tanpa sumber dapat dipertanyakan dan dihapus sewaktu-waktu.Cari sumber: Sri Jayabhupati – berita · surat kabar · buku · cendekiawan · JSTOR Sri Jayabhupati atau Prabu Detya Maharaja Sri Jayabhupati adalah Maharaja Sunda Galuh yang memerintah tahun 1030 - 1042 M, dalam Prasas...

 

Élections législatives de 2012 dans la Haute-Vienne

2007 2017 Élections législatives de 2012 dans la Haute-Vienne 3 sièges de députés à l'Assemblée nationale 10 et 17 juin 2012 Corps électoral et résultats Inscrits 264 857 Votants au 1er tour 164 932   62,27 %  5,5 Votes exprimés au 1er tour 161 197 Votants au 2d tour 155 966   58,89 % Votes exprimés au 2d tour 146 008 Majorité présidentielle Liste Parti socialisteParti radical de gaucheDivers droiteDivers gauche Voix au 1er t...

 

Mix 106.5

Mix 106.5Wilayah siarSydneyMerekMix 106.5SloganSydney's #1 Hit Music StationFrekuensi106.5 MHz FMMulai mengudaraApril 1994FormatMainstream CHR (pop, rock, Hip/Hop)Pancaran daya efektif150,000 wattKetinggian di atas medan224 m[1]Koordinat transmisi33°48′20″S 151°10′51″E / 33.80556°S 151.18083°E / -33.80556; 151.18083Kode panggil sebelumnya2UW (hingga April 1994)PemilikAustralian Radio Network Mix 106.5 (kode panggil resmi: 2WFM) adalah sebuah stasiun...

SMP Negeri 39 Semarang

Artikel ini membutuhkan rujukan tambahan agar kualitasnya dapat dipastikan. Mohon bantu kami mengembangkan artikel ini dengan cara menambahkan rujukan ke sumber tepercaya. Pernyataan tak bersumber bisa saja dipertentangkan dan dihapus.Cari sumber: SMP Negeri 39 Semarang – berita · surat kabar · buku · cendekiawan · JSTOR SMP Negeri 39 SemarangInformasiJenisNegeriAkreditasiA[1]Nomor Statistik Sekolah201036300539Nomor Pokok Sekolah Nasional203288...

 

Mitchell Starc

Australian international cricketer (born 1990) Mitchell StarcStarc in 2021Personal informationFull nameMitchell Aaron StarcBorn (1990-01-30) 30 January 1990 (age 34)Baulkham Hills, New South Wales, AustraliaHeight1.97[1] m (6 ft 6 in)BattingLeft-handedBowlingLeft-arm fastRoleBowlerRelationsAlyssa Healy (wife)[2]Brandon Starc (brother)International information National sideAustralia (2010–present)Test debut (cap 425)1 December 2011 v...

 

Larry Johnson (basket)

Lawrence Demetric Johnson (lahir 14 Maret 1969) adalah seorang mantan pemain bola basket berkebangsaan Amerika Serikat yang menghabiskan karier profesionalnya di National Basketball Association (NBA) dengan Charlotte Hornets dan New York Knicks. Dia bermain sebagai power forward karena kekuatannya. Larry JohnsonNo. 2 – Charlotte HornetsPosisiSmall forward, Power forwardLigaNBAInformasi pribadiLahir4 Maret 1969 (umur 55)Tyler, TexasKebangsaanAmerika SerikatTinggi6 ft 6 ...

طواف فرنسا 2021

طواف فرنسا 2021 تفاصيل السباقسلسلة108. طواف فرنسامنافسةطواف العالم للدراجات 2021 2.UWT‏مراحل21التواريخ26 يونيو – 18 يوليو 2021المسافات3٬414٫4 كمالبلدان فرنسا أندورانقطة البدايةبريستنقطة النهايةباريسالفرق23عدد المتسابقين في البداية184عدد المتسابقين في النهاية141متوسط السرعة41٫165 كم...

 

بيدرو لينز

هذه المقالة يتيمة إذ تصل إليها مقالات أخرى قليلة جدًا. فضلًا، ساعد بإضافة وصلة إليها في مقالات متعلقة بها. (أبريل 2019)Learn how and when to remove this message بيدرو لينز   معلومات شخصية الميلاد 8 مارس 1965 (59 سنة)  لانجينثال  [لغات أخرى]‏  مواطنة سويسرا  الحياة العملية المدرسة ال�...

 

Slope County, North Dakota

County in North Dakota, United States County in North DakotaSlope CountyCountyFormer Slope County Courthouse in AmidonLocation within the U.S. state of North DakotaNorth Dakota's location within the U.S.Coordinates: 46°27′N 103°28′W / 46.45°N 103.46°W / 46.45; -103.46Country United StatesState North DakotaFoundedNovember 3, 1914January 14, 1915 (organized)SeatAmidonLargest cityMarmarthArea • Total1,219 sq mi (3,160 km2) ...

History of Croatia

Occurrences and people in Croatia throughout history Part of a series on the History of Croatia Early history History of Croatia before the Croats Roman Pannonia Roman Dalmatia Ostrogothic Kingdom Byzantine Empire Origins of the Croats White Croatia White Croats Middle Ages Avar Khaganate Duchy of Croatia Lower Pannonia Southern Dalmatia March of Istria Kingdom of Croatia Union with Hungary Republic of Dubrovnik Republic of Poljica Modernity Ottoman Croatia Republic of Venice Kingdom of Croat...

 

Opere architettoniche e artistiche del Vittoriano

Voce principale: Vittoriano. Scorcio delle opere artistiche e architettoniche del Vittoriano Le opere architettoniche e artistiche del Vittoriano, monumento nazionale italiano situato a Roma, sul versante settentrionale del colle del Campidoglio, rappresentano, tramite allegorie e personificazioni, le virtù e i sentimenti che hanno animato gli italiani durante il Risorgimento, il periodo durante il quale l'Italia ha conseguito la propria unità nazionale e la liberazione dalla dominazione s...

 

Jingle bell

Type of bell This article is about the instrument. For the song, see Jingle Bells. For the concert held by 95.8 Capital FM, see Jingle Bell Ball. Sleigh bells redirects here. For other uses, see Sleigh Bells (disambiguation). This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: Jingle bell – news · newspapers · books ·...

As You Like It

As You Like It adalah sandiwara komedi karya William Shakespeare yang ditulis sekitar tahun 1599-1600. Terjemahan ke dalam bahasa Indonesianya berjudul Manasuka dan dilakukan oleh Trisno Sumardjo.[1] “ Men have died from time to time, and worms have eaten them, but not for love ” Sandiwara ini mengisahkan seorang adipati yang memerintah di Hutan Arden dan saudaranya yang jahat memerintah di kerajaannya. Rosalind dan Celia, dua orang wanita bangsawan, lari ke hutan untuk menghindar...

 

Col de la Furka

Pour les articles homonymes, voir Furka. Cet article est une ébauche concernant la Suisse, le canton du Valais et un col de montagne. Vous pouvez partager vos connaissances en l’améliorant (comment ?) selon les recommandations des projets correspondants. Col de la Furka Photo prise depuis la route du col du Grimsel en direction du col de la Furka et du glacier du Rhône. Altitude 2 429 m[1] Massif Alpes uranaises / Alpes lépontines (Alpes) Coordonnées 46° 34′...

 

チャーター・コミュニケーションズ

チャーター・コミュニケーションズ 現地語社名 Charter Communications業種 情報・通信業事業分野 CATV設立 1948年本社 スタンフォード、 アメリカ合衆国主要人物 トーマスM.ラトレッジ（会長兼CEO）ブランド スペクトル（Spectrum）売上高 54,022,000,000 アメリカ合衆国ドル (2022年) 営業利益 11,962,000,000 アメリカ合衆国ドル (2022年) 利益 5,055,000,000 アメリカ合衆国ドル (2022年)&#...

Sperry Engineering Company

Sperry Engineering Company Rechtsform Company Gründung 1898 Auflösung 1901 Sitz Cleveland, Ohio, USA Leitung Elmer Ambrose Sperry Branche Automobile Cleveland, Sperry System von 1899 in einem italienischen Museum Cleveland, Sperry System von 1900 am Vortag des London to Brighton Veteran Car Run 2011 Sperry von 1901 in einem englischen Museum Sperry Engineering Company war ein US-amerikanischer Hersteller von Automobilen.[1][2] Inhaltsverzeichnis 1 Unternehmensgeschichte 2 F...

 

Filtration

Process that separates solids from fluids This article is about the process of solid-fluid separation. For the mathematical concept, see Filtration (mathematics). For the stochastic concept, see Filtration (probability theory). For filtration used in winemaking, see Clarification and stabilization of wine. For other uses, see Filter (disambiguation). This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced ma...

 

الضربة الصاعقة

الضربة الصاعقة あしたへフリーキック الضربة الصاعقة الضربة الصاعقة نوع رياضة أنمي تلفزيوني كاتب يو ياماموتو مخرج تيتسورو أمينو ستوديو أشي برودكشن بث شبكة تلفزيون نيبون العرض الأصلي 14 ابريل 1992 – 29 سبتمبر 1992 عدد الحلقات 52 دبلجة عربية دبلجة مركز الزهرة للإنتاج والتوزيع الفني تو�...

Nik Zaran

Vincentian actor (1933–2014) Nik Zaranin The Champions: Desert Journey (1969)BornTracy Connell(1933-01-19)19 January 1933Kingstown, Saint Vincent and the GrenadinesDied3 January 2014(2014-01-03) (aged 80)Kingstown, Saint Vincent and the GrenadinesOccupation(s)Actor, dancer, theatre pioneer, restaurateurYears active1961–1975SpouseToni Tracy Connell (19 January 1933 – 3 January 2014), also known by his stage name Nik Zaran, was a Vincentian actor. Initially a keen sportsman, he ...

 

Seven Grievances

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: Seven Grievances – news · newspapers · books · scholar · JSTOR (January 2015) (Learn how and when to remove this message) This article contains Manchu text. Without proper rendering support, you may see question marks, boxes, or other symbols instead of Man...