RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 documents 34 sections 43,623 citations 34,854 keywords indexed 4 evidence tiers

3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.

2,480 results for "Brú na Bóinne" — page 69 of 124

E_2_17 Verified Cataclysms & Chronology

E_2_17 — Campanian Ignimbrite: 40,000 BP European Super-Eruption

The Campanian Ignimbrite (CI) eruption — also known as the CI super-eruption — was the largest volcanic event in the Mediterranean region during the past 200,000 years and one of the largest explosive eruptions in the La

Campanian Ignimbrite CI Phlegraean Fields Campi Flegrei super-eruption 40000 BP
E_2_13 Verified Cataclysms & Chronology

E_2_13 — Paleocene-Eocene Thermal Maximum

The Paleocene-Eocene Thermal Maximum (PETM) — approximately 55.8 million years ago — was the most extreme rapid warming event of the past 66 million years and is widely studied as a deep-time analog for modern anthropoge

PETM Paleocene-Eocene Thermal Maximum hyperthermal carbon isotope excursion CIE methane clathrate
E_2_14 Verified Cataclysms & Chronology

E_2_14 — Deccan Traps and Large Igneous Provinces

Large Igneous Provinces (LIPs) are the most voluminous volcanic features on Earth: enormous outpourings of basalt lava and associated intrusions that cover areas of up to millions of square kilometers and release colossa

Deccan Traps large igneous province LIP flood basalt volcanism mass extinction
E_2_03 Cataclysms & Chronology

E_2_03 — Santorini/Thera Eruption and Minoan Collapse

Around 1600 BCE (revised range: 1628–1600 BCE), the volcanic island of Thera (modern Santorini) in the southern Aegean Sea experienced one of the largest volcanic eruptions in recorded human history — a VEI-7 event that

Santorini Thera Minoan eruption VEI-7 Akrotiri
E_2_11 Verified Cataclysms & Chronology

E_2_11 — Snowball Earth Hypothesis

The Snowball Earth hypothesis proposes that Earth's surface was entirely or nearly entirely covered by ice on at least two occasions during the Neoproterozoic era (c. 720–635 million years ago): the Sturtian glaciation (

Snowball Earth Neoproterozoic Sturtian glaciation Marinoan glaciation Cryogenian cap carbonate
E_2_01 Cataclysms & Chronology

E_2_01 — 536 CE Climate Catastrophe

This document examines 536 CE Climate Catastrophe, a topic within the Cataclysms and Chronology research area. Key areas of investigation include "The Worst Year to Be Alive", Historical Eyewitness Accounts, The Volcanic

536 CE Fimbulvetr Ragnarök volcanic winter Ilopango Procopius
E_4_19 Verified Cataclysms & Chronology

E_4_19 — Mono Lake and Gothenburg Excursions: Short Geomagnetic Events

Geomagnetic excursions are brief, extreme departures of the Earth's magnetic field from its normal dipolar configuration — events during which the virtual geomagnetic pole (VGP) deviates by more than 40–45° from the geog

geomagnetic excursion Mono Lake Gothenburg Laschamp paleomagnetic virtual geomagnetic pole
E_4_21 Verified Cataclysms & Chronology

E_4_21 — Oxygen Isotope Stages: Marine Isotope Record and Climate Cycles

The marine oxygen isotope record — constructed from measurements of the ratio of oxygen-18 to oxygen-16 (δ¹⁸O) in the calcium carbonate (CaCO₃) shells of foraminifera (single-celled marine organisms) preserved in deep-se

oxygen isotope δ18O marine isotope stage MIS benthic foraminifera planktonic
E_4_05 Cataclysms & Chronology

E_4_05 — Cyclical Destruction and Renewal

Nearly every human civilization has independently conceived of time not as a single arrow but as a wheel — creation, flourishing, decay, destruction, and rebirth cycling endlessly. The Hindu yuga system maps a 4.32-billi

cyclical destruction renewal Ragnarök yuga Five Suns kalpa
E_4_28 Credible Cataclysms & Chronology

E_4_28 — Phantom Time Hypothesis and Chronological Revisionism

The Phantom Time Hypothesis — proposed by German systems analyst Heribert Illig in 1991 — claims that approximately 297 years of history (614–911 CE) were fabricated, and that the current calendar year is actually approx

phantom time Heribert Illig invented Middle Ages chronological revisionism Gunnar Heinsohn Fomenko
E_4_13 Verified Cataclysms & Chronology

E_4_13 — Milankovitch Cycles and Orbital Forcing

Milankovitch cycles are periodic variations in Earth's orbital geometry that modulate the distribution and intensity of solar radiation reaching Earth's surface, driving the glacial-interglacial cycles that have dominate

Milankovitch cycles orbital forcing eccentricity obliquity precession ice age
E_4_06 Cataclysms & Chronology

E_4_06 — Kali Yuga / World Ages Mathematics

This document examines Kali Yuga / World Ages Mathematics, a topic within the Cataclysms and Chronology research area. Key areas of investigation include The Four Yugas — Structure and Duration, Higher-Order Cycles, Sour

Kali Yuga Satya Yuga Treta Yuga Dvapara Yuga Maha Yuga Kalpa
E_4_01 Cataclysms & Chronology

E_4_01 — Precession of the Equinoxes and Ancient Encoded Numbers

This document examines Precession of the Equinoxes and Ancient Encoded Numbers, a topic within the Cataclysms and Chronology research area. Notable findings include: 25,920 ÷ 12 = 2,160 years** per zodiacal age. The docu

precession equinoxes 25920 72 108 432000
E_4_09 Cataclysms & Chronology

E_4_09 — Magnetic Pole Reversals and the Laschamp Event

Earth's magnetic field periodically undergoes geomagnetic reversals — events in which the north and south magnetic poles swap polarity. This has occurred at least 183 times in the last 83 million years, with the last ful

geomagnetic reversal magnetic pole Laschamp Event 42000 BP Adams Event Neanderthal extinction
E_4_07 Cataclysms & Chronology

E_4_07 — Calendar Systems and Ancient Time-Keeping

This document examines Calendar Systems and Ancient Time-Keeping, a topic within the Cataclysms and Chronology research area. Key areas of investigation include Sumerian Lunisolar Calendar, Babylonian Calendar, The MUL.A

calendar lunisolar Sothic cycle Sopdet Sirius MUL.APIN
E_4_23 Verified Cataclysms & Chronology

E_4_23 — Magnetic Field Strength History: Dipole Decay and Implications

Earth's magnetic field — generated by convective motion of liquid iron in the outer core (the geodynamo) — is not constant in strength. Over the past ~170 years of direct measurement (since Carl Friedrich Gauss's first s

geomagnetic field dipole moment paleointensity archaeointensity VADM field strength
E_4_18 Verified Cataclysms & Chronology

E_4_18 — Tephra Chronology: Volcanic Ash as Geological Clock

Tephrochronology is the use of volcanic tephra layers (ash, pumice, and other pyroclastic deposits) as time markers (isochrons) for dating and correlating geological, paleoenvironmental, and archaeological sequences acro

tephrochronology tephra volcanic ash isochron marker bed cryptotephra
E_4_17 Verified Cataclysms & Chronology

E_4_17 — Palynology: Pollen Records and Vegetation History

Palynology — the study of pollen grains and spores (and other organic-walled microfossils collectively termed palynomorphs) — is one of the most widely applied techniques in Quaternary science, archaeology, and paleoclim

palynology pollen spore pollen analysis vegetation history pollen diagram
E_4_08 Cataclysms & Chronology

E_4_08 — The 3102/3114 BCE Epoch Date Parallel

This document examines The 3102/3114 BCE Epoch Date Parallel, a topic within the Cataclysms and Chronology research area. Key areas of investigation include The Hindu Kali Yuga — February 17/18, 3102 BCE, The Maya Long C

3102 BCE 3114 BCE Kali Yuga Long Count Maya creation date epoch date
E_4_04 Cataclysms & Chronology

E_4_04 — Mathematical Encoding in Mythology

Certain numbers appear with suspicious regularity across ancient mythologies worldwide: 72 (Egyptian conspirators against Osiris, degrees of precessional shift per degree), 108 (Hindu/Buddhist sacred number, suitors of P

mathematical encoding precessional numbers 72 108 432000 25920