GRANTS.ROCKS

Rocks I've Found on the Beach

Divisions of Geologic Time

0 Ma

Cenozoic

Quaternary

2.58-0 Ma

  1. EpochHolocene0.0117-0 Ma
  2. AgeMeghalayan0.0042-0 Ma
  3. AgeNorthgrippian0.0082-0.0042 Ma
  4. AgeGreenlandian0.0117-0.0082 Ma
  5. EpochPleistocene2.58-0.0117 Ma
  6. AgeUpper0.129-0.0117 Ma
  7. AgeChibanian0.774-0.129 Ma
  8. AgeCalabrian1.80-0.774 Ma
  9. AgeGelasian2.58-1.80 Ma
2.58 Ma

Cenozoic

Neogene

23.04-2.58 Ma

  1. EpochPliocene5.333-2.58 Ma
  2. AgePiacenzian3.600-2.58 Ma
  3. AgeZanclean5.333-3.600 Ma
  4. EpochMiocene23.04-5.333 Ma
  5. AgeMessinian7.246-5.333 Ma
  6. AgeTortonian11.63-7.246 Ma
  7. AgeSerravallian13.82-11.63 Ma
  8. AgeLanghian15.98-13.82 Ma
  9. AgeBurdigalian20.44-15.98 Ma
  10. AgeAquitanian23.04-20.44 Ma
23.04 Ma

Cenozoic

Paleogene

66.0-23.04 Ma

  1. EpochOligocene33.9-23.04 Ma
  2. AgeChattian27.82-23.04 Ma
  3. AgeRupelian33.9-27.82 Ma
  4. EpochEocene56.0-33.9 Ma
  5. AgePriabonian37.71-33.9 Ma
  6. AgeBartonian41.03-37.71 Ma
  7. AgeLutetian47.8-41.03 Ma
  8. AgeYpresian56.0-47.8 Ma
  9. EpochPaleocene66.0-56.0 Ma
  10. AgeThanetian59.2-56.0 Ma
  11. AgeSelandian61.6-59.2 Ma
  12. AgeDanian66.0-61.6 Ma
66.0 Ma

Mesozoic

Cretaceous

145.0-66.0 Ma

  1. EpochLate Cretaceous100.5-66.0 Ma
  2. AgeMaastrichtian72.1-66.0 Ma
  3. AgeCampanian83.6-72.1 Ma
  4. AgeSantonian86.3-83.6 Ma
  5. AgeConiacian89.8-86.3 Ma
  6. AgeTuronian93.9-89.8 Ma
  7. AgeCenomanian100.5-93.9 Ma
  8. EpochEarly Cretaceous145.0-100.5 Ma
  9. AgeAlbian113.0-100.5 Ma
  10. AgeAptian121.4-113.0 Ma
  11. AgeBarremian125.77-121.4 Ma
  12. AgeHauterivian132.6-125.77 Ma
  13. AgeValanginian139.8-132.6 Ma
  14. AgeBerriasian145.0-139.8 Ma
145.0 Ma

Mesozoic

Jurassic

201.4-145.0 Ma

  1. EpochLate Jurassic161.5-145.0 Ma
  2. AgeTithonian149.2-145.0 Ma
  3. AgeKimmeridgian154.8-149.2 Ma
  4. AgeOxfordian161.5-154.8 Ma
  5. EpochMiddle Jurassic174.7-161.5 Ma
  6. AgeCallovian165.3-161.5 Ma
  7. AgeBathonian168.2-165.3 Ma
  8. AgeBajocian170.9-168.2 Ma
  9. AgeAalenian174.7-170.9 Ma
  10. EpochEarly Jurassic201.4-174.7 Ma
  11. AgeToarcian184.2-174.7 Ma
  12. AgePliensbachian192.9-184.2 Ma
  13. AgeSinemurian199.5-192.9 Ma
  14. AgeHettangian201.4-199.5 Ma
201.4 Ma

Mesozoic

Triassic

251.902-201.4 Ma

  1. EpochLate Triassic237.0-201.4 Ma
  2. AgeRhaetian208.5-201.4 Ma
  3. AgeNorian227.0-208.5 Ma
  4. AgeCarnian237.0-227.0 Ma
  5. EpochMiddle Triassic247.2-237.0 Ma
  6. AgeLadinian242.0-237.0 Ma
  7. AgeAnisian247.2-242.0 Ma
  8. EpochEarly Triassic251.902-247.2 Ma
  9. AgeOlenekian251.2-247.2 Ma
  10. AgeInduan251.902-251.2 Ma
251.902 Ma

Paleozoic

Permian

298.9-251.902 Ma

  1. EpochLopingian259.51-251.902 Ma
  2. AgeChanghsingian254.14-251.902 Ma
  3. AgeWuchiapingian259.51-254.14 Ma
  4. EpochGuadalupian273.01-259.51 Ma
  5. AgeCapitanian264.28-259.51 Ma
  6. AgeWordian266.9-264.28 Ma
  7. AgeRoadian273.01-266.9 Ma
  8. EpochCisuralian298.9-273.01 Ma
  9. AgeKungurian283.5-273.01 Ma
  10. AgeArtinskian290.1-283.5 Ma
  11. AgeSakmarian293.52-290.1 Ma
  12. AgeAsselian298.9-293.52 Ma
298.9 Ma

Paleozoic

Carboniferous

358.9-298.9 Ma

  1. SubperiodPennsylvanian323.2-298.9 Ma
  2. AgeGzhelian303.7-298.9 Ma
  3. AgeKasimovian307.0-303.7 Ma
  4. AgeMoscovian315.2-307.0 Ma
  5. AgeBashkirian323.2-315.2 Ma
  6. SubperiodMississippian358.9-323.2 Ma
  7. AgeSerpukhovian330.9-323.2 Ma
  8. AgeVisean346.7-330.9 Ma
  9. AgeTournaisian358.9-346.7 Ma
358.9 Ma

Paleozoic

Devonian

419.2-358.9 Ma

  1. EpochLate Devonian382.7-358.9 Ma
  2. AgeFamennian372.2-358.9 Ma
  3. AgeFrasnian382.7-372.2 Ma
  4. EpochMiddle Devonian393.3-382.7 Ma
  5. AgeGivetian387.7-382.7 Ma
  6. AgeEifelian393.3-387.7 Ma
  7. EpochEarly Devonian419.2-393.3 Ma
  8. AgeEmsian407.6-393.3 Ma
  9. AgePragian410.8-407.6 Ma
  10. AgeLochkovian419.2-410.8 Ma
419.2 Ma

Paleozoic

Silurian

443.8-419.2 Ma

  1. EpochPridoli423.0-419.2 Ma
  2. EpochLudlow427.4-423.0 Ma
  3. AgeLudfordian425.6-423.0 Ma
  4. AgeGorstian427.4-425.6 Ma
  5. EpochWenlock433.4-427.4 Ma
  6. AgeHomerian430.5-427.4 Ma
  7. AgeSheinwoodian433.4-430.5 Ma
  8. EpochLlandovery443.8-433.4 Ma
  9. AgeTelychian438.5-433.4 Ma
  10. AgeAeronian440.8-438.5 Ma
  11. AgeRhuddanian443.8-440.8 Ma
443.8 Ma

Paleozoic

Ordovician

486.85-443.8 Ma

  1. EpochLate Ordovician458.4-443.8 Ma
  2. AgeHirnantian445.2-443.8 Ma
  3. AgeKatian453.0-445.2 Ma
  4. AgeSandbian458.4-453.0 Ma
  5. EpochMiddle Ordovician470.0-458.4 Ma
  6. AgeDarriwilian467.3-458.4 Ma
  7. AgeDapingian470.0-467.3 Ma
  8. EpochEarly Ordovician486.85-470.0 Ma
  9. AgeFloian477.7-470.0 Ma
  10. AgeTremadocian486.85-477.7 Ma
486.85 Ma

Paleozoic

Cambrian

538.8-486.85 Ma

  1. EpochFurongian497.0-486.85 Ma
  2. AgeStage 10489.5-486.85 Ma
  3. AgeJiangshanian494.0-489.5 Ma
  4. AgePaibian497.0-494.0 Ma
  5. EpochMiaolingian509.0-497.0 Ma
  6. AgeGuzhangian500.5-497.0 Ma
  7. AgeDrumian504.5-500.5 Ma
  8. AgeWuliuan509.0-504.5 Ma
  9. EpochSeries 2521.0-509.0 Ma
  10. AgeStage 4514.5-509.0 Ma
  11. AgeStage 3521.0-514.5 Ma
  12. EpochTerreneuvian538.8-521.0 Ma
  13. AgeStage 2529.0-521.0 Ma
  14. AgeFortunian538.8-529.0 Ma
538.8 Ma

Proterozoic

Neoproterozoic

1000-538.8 Ma

  1. PeriodEdiacaran635-538.8 Ma
  2. PeriodCryogenian720-635 Ma
  3. PeriodTonian1000-720 Ma
1000 Ma

Proterozoic

Mesoproterozoic

1600-1000 Ma

  1. PeriodStenian1200-1000 Ma
  2. PeriodEctasian1400-1200 Ma
  3. PeriodCalymmian1600-1400 Ma
1600 Ma

Proterozoic

Paleoproterozoic

2500-1600 Ma

  1. PeriodStatherian1800-1600 Ma
  2. PeriodOrosirian2050-1800 Ma
  3. PeriodRhyacian2300-2050 Ma
  4. PeriodSiderian2500-2300 Ma
2500 Ma

Archean

Archean

4031-2500 Ma

  1. EraNeoarchean2800-2500 Ma
  2. EraMesoarchean3200-2800 Ma
  3. EraPaleoarchean3600-3200 Ma
  4. EraEoarchean4031-3600 Ma
4031 Ma

Hadean

Hadean

4567.3-4031 Ma