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Geologic eon, 4567–4031 million years ago
The Hadean (/heɪˈdiːən, ˈheɪdiən/ hay-DEE-ən, HAY-dee-ən) is the first and oldest of the four geologic eons of Earth's history, starting with the planet's
Hadean
Oldest-surviving crustal material from the Hadean eon
Hadean zircon is the oldest-surviving crustal material from the Earth's earliest geological time period, the Hadean eon, about 4 billion years ago. Zircon
Hadean_zircon
Geologic eon, 4031–2500 million years ago
the second of the four geologic eons of Earth's history, preceded by the Hadean Eon and followed by the Proterozoic and the Phanerozoic. The Archean represents
Archean
History of Earth 4600–539 million years ago
Precambrian is an informal unit of geologic time, subdivided into three eons (Hadean, Archean, Proterozoic) of the geologic time scale. It spans from the formation
Precambrian
Romanian chef
Adrian Hădean (born 4 September 1977) is a Romanian chef. Hădean grew up in Baia Mare, a city in northern Romania, where began a career in cookery in
Adrian_Hădean
Records of Earth's development
formation of a solid crust, and allowing liquid water on the surface. The Hadean eon represents the time before a reliable (fossil) record of life. It began
History_of_Earth
It includes the first three of the four eons of Earth's prehistory (the Hadean, Archean, and Proterozoic) and precedes the Phanerozoic eon. Major volcanic
Geological_history_of_Earth
Hypothesized astronomical event
understanding of the Hadean eon. Older references generally show that Hadean Earth had a molten surface with prominent volcanos. The name "Hadean" itself refers
Late_Heavy_Bombardment
First era of the Archean Eon
of the geologic record. It spans 431 million years, from the end of the Hadean Eon 4031 Mya to the start of the Paleoarchean Era 3600 Mya. Some estimates
Eoarchean
Includes rocks over 4 billion years old from the Hadean Eon
erosion or melted, are more than 4 billion years old, formed during the Hadean Eon of Earth's geological history, and mark the start of the Archean Eon
Oldest_dated_rocks
Range of hills in Western Australia
date: Hadean zircons that formed around 4.404 billion years ago. These zircons have enabled deeper research into the conditions on Earth in the Hadean eon
Jack_Hills
Period in Earth's history
approximately 3.5 Gya. On the geologic time scale, this comprises all of the Hadean eon and approximately one-third of the Archean eon, starting with the formation
Early_Earth
Oleg; Mojzsis, Stephen J. (May 21, 2009). "Microbial habitability of the Hadean Earth during the late heavy bombardment" (PDF). Nature. 459 (7245): 419–422
Timeline_of_life
The Archaean was later subdivided into the Archaean and the even earlier Hadean. Many of the rocks that had originally been thought to be of Azoic time
Azoic_Age
Variety and variability of life forms
after a geological crust started to solidify following the earlier molten Hadean eon. There are microbial mat fossils found in 3.48 billion-year-old sandstone
Biodiversity
Ancient Greek concept
aeons on the geologic time scale that make up the Earth's history, the Hadean, Archean, Proterozoic, and the current aeon, Phanerozoic. In astronomy,
Aeon
Life arising from non-living matter
hydrothermal vent precipitates from Quebec, soon after ocean formation during the Hadean, so the process appears to have been relatively rapid in terms of geological
Abiogenesis
Scientific dating of the Earth
stages of Earth's accretion and planetary differentiation during the early Hadean eon. Estimates are based on radiometric dating of meteoritic material—the
Age_of_Earth
Third planet from the Sun
felsic in composition, formed by the partial melting of this mafic crust. Hadean-aged zircon grains found in Western Australia, dating back as far as 4.4 Ga
Earth
Fourth and current eon of the geological timescale
Phanerozoic, collectively called the Precambrian, is now divided into the Hadean, Archaean and Proterozoic eons. The time span of the Phanerozoic starts
Phanerozoic
formerly an era, is split into three geological time intervals called eons: Hadean, Archaean and Proterozoic. The latter two are sub-divided into several eras
Timeline_of_Earth
English Qaballa system of James Lees
UK: Hadean Press. ISBN 978-1-907881-07-7. Thompson, Cath (2016). The Magickal Language of the Book of the Law: An English Qaballa Primer. Hadean Press
English_Qaballa
Body of salt water covering most of Earth
of Earth's oceans is unknown. Oceans are thought to have formed in the Hadean eon and may have been the cause for the emergence of life. Plate tectonics
Ocean
LUCA may have lived 4.477–4.519 billion years ago, within the Hadean eon. Model Hadean-like geothermal microenvironments were demonstrated to have the
Earliest_known_life_forms
Movement of Earth's lithosphere
authors have suggested that plate tectonics were already functional in the Hadean, over 4 billion years ago. Various types of quantitative and semi-quantitative
Plate_tectonics
Gas layer surrounding Earth
contribute to ocean water at the end of the Hadean. The increasing solidification of Earth's crust at the end of the Hadean closed off most of the advective heat
Atmosphere_of_Earth
Canadian technical death metal band
Technical death metal Years active 2007–present Labels Season of Mist Trendkill Hadean Members Tobi Morelli Dean Lamb Oli Peters Jared Smith Spencer Moore Past
Archspire
System that relates geologic strata to time
found worldwide. The Proterozoic (apart from the Ediacaran), Archean and Hadean are subdivided by absolute ages (Global Standard Stratigraphic Ages) rather
Geologic_time_scale
2007 studio album by the Ocean
based around the Precambrian, an early period in the formation of Earth. Hadean/Archaean (disc one) is heavy and raw just like their previous album Aeolian
Precambrian_(album)
Material world and its phenomena
it is known to have occurred at least 3.5 billion years ago, during the hadean or archean eons on a primordial Earth that had a substantially different
Nature
Geologic eon, 2500–539 million years ago
−2000 — – — – −1500 — – — – −1000 — – — – −500 — – — – 0 — Precambrian Hadean Archean Proterozoic Phaner- ozoic Eoarchean Paleoarchean Mesoarchean Neoarchean
Proterozoic
Rocks that were deposited on the existing basement rocks of the crust
probably supracrustal rocks formed during the Hadean, within 200 million years of Earth accretion. Most Hadean rocks were probably recycled into the mantle
Supracrustal_rock
throughout the Hadean, and eventually significant foreign volatiles injection via a "late veneer" of extraterrestrial impactors at the end of the Hadean. With
Secondary_atmosphere
New religious movement founded by Aleister Crowley
An English Qaballa Primer. Hadean Press Limited. ISBN 978-1907881688. Thompson, Cath (2018). All This and a Book. Hadean Press Limited. ISBN 978-1-907881-78-7
Thelema
Largest verified impact structure on Earth
estimated to have been one of the largest ever to strike Earth since the Hadean Eon some four billion years ago, originally thought to have been approximately
Vredefort_impact_structure
Variety of rituals of magic
An English Qaballa Primer. Hadean Press Limited. ISBN 978-1907881688. Thompson, Cath (2018). All This and a Book. Hadean Press Limited. ISBN 978-1-907881-78-7
Ceremonial_magic
Ancient supercontinent of approximately 2,500 to 1,500 million years ago
Plants Arthropods Molluscs Flowers Dinosaurs Mammals Birds Primates Hadean Archean Proterozoic Phanerozoic ← Earth formed ← Earliest water ← LUCA
Columbia_(supercontinent)
Western esoteric tradition
An English Qaballa Primer. Hadean Press Limited. ISBN 978-1-907881-68-8. Thompson, Cath (2018). All This and a Book. Hadean Press Limited. ISBN 978-1-907881-78-7
Hermetic_Qabalah
Zirconium silicate mineral
Cathodoluminescence microscope Cool Early Earth Earliest known life forms Hadean zircon Heavy mineral sands ore deposits History of Earth Ilmenite Cerium
Zircon
Second atmosphere on Earth
years ago or earlier, placing it in the early Archean Eon or mid-to-late Hadean Eon. Knowledge of the environmental factors at play on early Earth is required
Prebiotic_atmosphere
Mystical properties of numbers
The Magickal Language of the Book of the Law: An English Qaballa Primer. Hadean Press Limited. ISBN 978-1-907881-68-8. Wikiquote has quotations related
Numerology
Hypothetical fifth plant that existed between Mars and the asteroid belt
the asteroid belt. In their hypothesis, the Late Heavy Bombardment of the Hadean eon began after perturbations from the other terrestrial planets caused
Planet_V
Organism that consists of only one cell
Plants Arthropods Molluscs Flowers Dinosaurs Mammals Birds Primates Hadean Archean Proterozoic Phanerozoic ← Earth formed ← Earliest water ← LUCA
Unicellular_organism
Chemical compound of hydrogen and oxygen
volume early in its history. This is likely to have occurred between the Hadean and Archean eons in cataclysmic events such as the moon forming impact.
Water
Hypotheses for the possible sources of the water on Earth
volume early in its history. This is likely to have occurred between the Hadean and Archean eons in cataclysmic events such as the moon forming impact.
Origin_of_water_on_Earth
Rock from which a metamorphic rock is formed
first formed[how?] shortly after the formation of the Earth during the Hadean eon.[citation needed] "Basics--Rocks-Metamorphic". commons.wvc.edu. Retrieved
Protolith
Free and open-source 3D engine
Audiokinetic, Backtrace.io, Carbonated, Futurewei, GAMEPOCH, Genvid Technologies, Hadean, Huawei, HERE Technologies, Intel, International Game Developers Association
Open_3D_Engine
Study of past life through fossils
Plants Arthropods Molluscs Flowers Dinosaurs Mammals Birds Primates Hadean Archean Proterozoic Phanerozoic ← Earth formed ← Earliest water ← LUCA
Paleontology
Japanese anime television series
investigates the Hadeans and hears rumors about the "Book of the Dead." What is the secret of this book, and what relation does it have to the Hadeans? Now, the
Engage_Planet_Kiss_Dum
Change in the heritable traits of populations
after a geological crust started to solidify following the earlier molten Hadean Eon. Microbial mat fossils have been found in 3.48 billion-year-old sandstone
Evolution
Numerological practice of reading a word or phrase as a number
An English Qaballa Primer. Hadean Press Limited. ISBN 978-1-907881-68-8. Thompson, Cath (2018). All This and a Book. Hadean Press Limited. ISBN 978-1-907881-78-7
Gematria
2012 Romanian TV series or program
Dumitrescu. They were replaced in season 4 by Patrizia Paglieri, Adrian Hădean and Florin Scripcă Starting with the 6th Season, the MasterChef panel has
MasterChef_România
Matter with biological processes
range: 3770–0 Ma Pha. Proterozoic Archean Had. Archean – present (possible Hadean origin) Diverse forms of life on a coral reef Scientific classification
Life
Demon that is king and earl of hell
(2016). Pandemonium: A Discordant Concordence of Diverse Spirit Catalogues. Hadean Press. p. 199. ISBN 978-1-907881-66-4. *Porter, John (2011). Campbell, Colin
Vine_(demon)
2021 studio album by Humanity's Last Breath
"Earthless" 4:57 4. "Descent" 4:27 5. "Spectre" 4:50 6. "Dehumanize" 5:23 7. "Hadean" 4:22 8. "Tide" 5:08 9. "Väldet" 2:56 10. "Sirens" 4:23 11. "Futility" 4:06
Välde
Life of the Ediacaran period
Plants Arthropods Molluscs Flowers Dinosaurs Mammals Birds Primates Hadean Archean Proterozoic Phanerozoic ← Earth formed ← Earliest water ← LUCA
Ediacaran_biota
Atmosphere containing reducing agents
contrast to the hypothesized early reducing atmosphere, evidence exists that Hadean atmospheric oxygen levels were similar to today's. These results suggest
Reducing_atmosphere
molten until then. Accordingly, they named this part of Earth's history the Hadean. However, analysis of zircons formed 4.4 Ga indicates that Earth's crust
History_of_life
Third period of the Paleozoic Era
Mesoarchean (2.8–3.2 Ga) Paleoarchean (3.2–3.6 Ga) Eoarchean (3.6–4 Ga) Hadean Eon (4–4.6 Ga) ka = kiloannum (thousand years ago); Ma = megaannum (million
Silurian
considered to correspond to the beginning of the Holocene epoch. Precambrian Hadean (or hadaeozoic[citation needed]) Archean (or archaeozoic) Eoarchean Paleoarchean
List_of_time_periods
Hypothetical Neoproterozoic supercontinent
Plants Arthropods Molluscs Flowers Dinosaurs Mammals Birds Primates Hadean Archean Proterozoic Phanerozoic ← Earth formed ← Earliest water ← LUCA
Rodinia
First Moon rock of possible Earth origin, discovered by the crew of Apollo 14
indicated that they formed about four billion years ago, during Earth's Hadean eon. If confirmed, that result would make the fragment the oldest known
Big_Bertha_(lunar_sample)
Fifth period of the Paleozoic Era
Mesoarchean (2.8–3.2 Ga) Paleoarchean (3.2–3.6 Ga) Eoarchean (3.6–4 Ga) Hadean Eon (4–4.6 Ga) ka = kiloannum (thousand years ago); Ma = megaannum (million
Carboniferous
2014 studio album by Arve Henriksen
No. Title Length 1. "Proto-Earth" 4:19 2. "Hadean" 1:52 3. "Chron" 6:05 4. "Solidification" 5:47 5. "Zircon" 2:07 6. "Plume Of Ash" 2:18 7. "Magma Oscillator"
Chron_(album)
Geologic sequence in Quebec, Canada
reflective of the NGB, but rather, reflects isotope ratios inherited from Hadean crust that was melted to form the parent rocks of the NGB. Research published
Nuvvuagittuq_Greenstone_Belt
Second period of the Paleozoic Era
Mesoarchean (2.8–3.2 Ga) Paleoarchean (3.2–3.6 Ga) Eoarchean (3.6–4 Ga) Hadean Eon (4–4.6 Ga) ka = kiloannum (thousand years ago); Ma = megaannum (million
Ordovician
Hypothesis of the formation of the Moon
points of the Earth's orbit approximately 4.5 billion years ago in the early Hadean eon (about 20 to 100 million years after the Solar System formed), and some
Giant-impact_hypothesis
Paleoproterozoic surge in atmospheric oxygen
11536547. PMID 11536547. Shaw, George H. (August 2008). "Earth's atmosphere – Hadean to early Proterozoic". Geochemistry. 68 (3): 235–264. Bibcode:2008ChEG.
Great_Oxidation_Event
Experiment testing the origin of life
of Earth's mantle that between four and seven such impactors reached the Hadean Earth. A large factor controlling the redox budget of early Earth's atmosphere
Miller–Urey_experiment
Isotope of uranium
R.; Strickland, Ariel (July 1, 2015). "Nano- and micro-geochronology in Hadean and Archean zircons by atom-probe tomography and SIMS: New tools for old
Uranium-238
Prehistoric impact crater in Mexico
systems may provide support for the impact origin of life hypothesis for the Hadean eon, when the entire surface of Earth was affected by impactors much larger
Chicxulub_crater
Geologic period, 4533 to 3920 million years ago
of the Moon. Professional Paper. US Geological Survey. p. 148. doi:10.3133/pp1348. Palaeos.org: Hadean eon Archived 2016-07-28 at the Wayback Machine
Pre-Nectarian
Scientific study of Earth's physical composition
the Earth at 4.54 Ga (4.54 billion years), which is the beginning of the Hadean eon – a division of geological time. At the later end of the scale, it is
Geology
Proposed era of the Hadean eon
proposed Chaotian and Hadean boundary. The revised proposal in 2012 did not subdivide the proposed Chaotian era (of the Hadean eon) into periods. Age
Chaotian_(geology)
2001 film by Tsutomu Shibayama
machine and Phoenicia back to billions of years in the past to the Pre-Hadean Era. After the destruction caused by Phoenicia is fixed, the main characters
Doraemon: Nobita and the Winged Braves
Doraemon:_Nobita_and_the_Winged_Braves
Annual awards for works of interactive fiction
Emily Short 2013: Robin & Orchid by Ryan Veeder and Emily Boegheim 2014: Hadean Lands by Andrew Plotkin 2015: Sunless Sea by Failbetter Games 2016: Cactus
XYZZY_Awards
Second period of the Mesozoic Era
Mesoarchean (2.8–3.2 Ga) Paleoarchean (3.2–3.6 Ga) Eoarchean (3.6–4 Ga) Hadean Eon (4–4.6 Ga) ka = kiloannum (thousand years ago); Ma = megaannum (million
Jurassic
Study of the oldest crustal fragments on Earth
present-day-similar convective mode and lithosphere from a magma ocean in Hadean Eon, to either a protoplate tectonics or an unstable stagnant lithosphere
Eoarchean_geology
271. ISBN 978-1578637799. Thompson, Cath (2018). All This and a Book. Hadean Press Limited. ISBN 978-1-907881-78-7. Hanegraaff, Wouter J.; Faivre, Antoine;
List_of_Thelemites
First geological period of the Paleozoic Era
Plants Arthropods Molluscs Flowers Dinosaurs Mammals Birds Primates Hadean Archean Proterozoic Phanerozoic ← Earth formed ← Earliest water ← LUCA
Cambrian
ages 65°10′26″N 115°33′14″W / 65.1738°N 115.5538°W / 65.1738; -115.5538 Hadean - 4567.3 - Defined chronometrically Formation of the Solar System -
List of Global Boundary Stratotype Sections and Points
List_of_Global_Boundary_Stratotype_Sections_and_Points
Very long term changes in Earth's temperature
Plants Arthropods Molluscs Flowers Dinosaurs Mammals Birds Primates Hadean Archean Proterozoic Phanerozoic ← Earth formed ← Earliest water ← LUCA
Geologic_temperature_record
Rapid decrease in Earth's biodiversity
Plants Arthropods Molluscs Flowers Dinosaurs Mammals Birds Primates Hadean Archean Proterozoic Phanerozoic ← Earth formed ← Earliest water ← LUCA
Extinction_event
Magnesium- and iron-rich extrusive igneous rock
are thus the hypabyssal and plutonic equivalents of basalt. During the Hadean, Archean, and early Proterozoic eons of Earth's history, the chemistry of
Basalt
Other planets thought to be 5th from the Sun
V, and its disappearance with the Late Heavy Bombardment episode of the Hadean era. Chambers and Lissauer also claim this Planet V most probably ended
Fifth_planet_(hypothetical)
Fourth period of the Paleozoic Era
Mesoarchean (2.8–3.2 Ga) Paleoarchean (3.2–3.6 Ga) Eoarchean (3.6–4 Ga) Hadean Eon (4–4.6 Ga) ka = kiloannum (thousand years ago); Ma = megaannum (million
Devonian
British model, actress and singer (born 1949)
Film Soho. Alongside this, a live virtual experience by metaverse company, Hadean, and live event visualisation solutions provider, disguise, made use of
Twiggy
Hypothetical stage in the early evolutionary history of life on Earth
separation. In another study, it was shown that in a model oscillating Hadean environment likely to have been abundant during early evolution, that ribozyme-mediated
RNA_world
First period of the Mesozoic Era
Mesoarchean (2.8–3.2 Ga) Paleoarchean (3.2–3.6 Ga) Eoarchean (3.6–4 Ga) Hadean Eon (4–4.6 Ga) ka = kiloannum (thousand years ago); Ma = megaannum (million
Triassic
Sixth and last period of the Paleozoic Era
Mesoarchean (2.8–3.2 Ga) Paleoarchean (3.2–3.6 Ga) Eoarchean (3.6–4 Ga) Hadean Eon (4–4.6 Ga) ka = kiloannum (thousand years ago); Ma = megaannum (million
Permian
Geologic stage of southern Africa, 4-3 or 3.5-2.8 Ga
extending from about four to three billion years ago, encompassing some of the Hadean and much of the Archean on the Geologic time scale. Other scales assign
Swazian
Concept within the system of Thelema
ISBN 978-1633412668. Stratton-Kent, Jake (2011). The Serpent Tongue: Liber 187. UK: Hadean Press. ISBN 978-1-907881-07-7. Sutin, Lawrence (2002). Do What Thou Wilt:
Great_Work_(Thelema)
Overview of and topical guide to life forms
Plants Arthropods Molluscs Flowers Dinosaurs Mammals Birds Primates Hadean Archean Proterozoic Phanerozoic ← Earth formed ← Earliest water ← LUCA
Outline_of_life_forms
Central sacred text of Thelema
The Magickal Language of the Book of the Law: An English Qaballa Primer. Hadean Press Limited. ISBN 978-1-907881-68-8. English Wikisource has the complete
The_Book_of_the_Law
Second era of the Phanerozoic Eon
Mesoarchean (2.8–3.2 Ga) Paleoarchean (3.2–3.6 Ga) Eoarchean (3.6–4 Ga) Hadean Eon (4–4.6 Ga) ka = kiloannum (thousand years ago); Ma = megaannum (million
Mesozoic
Ceremonial magic publication (1976–1982)
June 2022. Lees, James (2018). Thompson, Cath (ed.). The New Equinox: The British Journal of Magick. Hadean Press Limited. ISBN 978-1-907881-77-0. v t e
The_New_Equinox
Metamorphic rock unit in Canada
metamorphism. The formation of the Acasta Gneiss Complex began at the end of the Hadean and continued episodically over much of the Archean. The oldest felsic rocks
Acasta_Gneiss
Ancient atmosphere, particularly of Earth, in the geological past
paleoatmosphere can be chronologically divided into the following phases: the Hadean first atmosphere or primary atmosphere (also known as the primordial atmosphere
Paleoatmosphere
First era of the Proterozoic Eon
Mesoarchean (2.8–3.2 Ga) Paleoarchean (3.2–3.6 Ga) Eoarchean (3.6–4 Ga) Hadean Eon (4–4.6 Ga) ka = kiloannum (thousand years ago); Ma = megaannum (million
Paleoproterozoic
Town in Staffordshire, England
Adcock retrieved December 2017 *Thompson, Cath (2018). All This and a Book. Hadean Press Limited. ISBN 978-1-907881-78-7. "Inferno (Jemma Palmer) | Sky 1 Revival
Tamworth,_Staffordshire
HADEAN
HADEAN
HADEAN
HADEAN
HADEAN
HADEAN
HADEAN
HADEAN
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