RESEARCH BASE

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

3,721 Documents 34 Sections 43,625 Citations 34,852 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.

9 results for "concentric ridges"

D_1_19 Verified Sites & Artifacts

D_1_19 — Poverty Point: Louisiana's Enigmatic Archaic Earthwork Complex

Poverty Point is a Late Archaic period (approximately 1700–1100 BCE) earthwork complex located near the town of Epps in West Carroll Parish, northeastern Louisiana, on the Macon Ridge overlooking the floodplain of Bayou

Poverty Point Louisiana Archaic period mound builders earthworks concentric ridges

M_4_14 Speculative Forbidden Archaeology

M_4_14 — Richat Structure & Bimini Road: Geological Formations or Lost Civilizations?

The Richat Structure (also called the "Eye of the Sahara" or "Eye of Africa") is a prominent circular geological feature approximately 40 km in diameter located near Ouadane, Mauritania, in the western Sahara Desert (21°

Richat Structure Eye of the Sahara Bimini Road Atlantis geological formation beachrock

M_4_15 Speculative Forbidden Archaeology

M_4_15 — The Richat Structure and the Atlantis Hypothesis

The Richat Structure (Guelb er Richat, "Eye of the Sahara") is a prominent ~40-km-diameter circular geological formation in the Adrar Plateau of Mauritania (21.13°N, 11.40°W). Its concentric ring pattern — visible from s

richat-structure eye-of-sahara atlantis-hypothesis mauritania geological-dome concentric-rings

C_4_04 Verified Global Traditions

C_4_04 — Tuareg and Saharan Serpent Traditions

The Sahara Desert — the world's largest hot desert at 9.2 million km² — was GREEN, wet, and densely inhabited for most of the last 11,000 years. The "African Humid Period" (AHP, ~11,000-5,000 BP) transformed the Sahara i

Tuareg Sahara Green Sahara African Humid Period Richat Structure Eye of Africa

E_3_03 Verified Cataclysms & Chronology

E_3_03 — Ice Age Civilizations — Evidence for Complexity During the Last Glacial Maximum

The Last Glacial Maximum (LGM, ~26,500-19,000 BP) — when ice sheets covered ~32% of the global land surface and sea levels dropped ~120 meters below present — was not a period of human stagnation but of remarkable cultur

Ice Age Last Glacial Maximum LGM Paleolithic Upper Paleolithic Younger Dryas

O_2_06 Verified Earth Anomalies

O_2_06 — Richat Structure — Saharan Eye and Atlantis Claims

The Richat Structure (also called the Eye of the Sahara or Guelb er Richat) is a prominent circular geological formation approximately 40–50 km in diameter located on the Adrar Plateau in west-central Mauritania (21°07′N

Richat Structure Eye of the Sahara Guelb er Richat Mauritania dome geological formation

D_5_18 Verified Sites & Artifacts

D_5_18 — Mandala Sacred Architecture: Cross-Cultural Cosmic Diagrams in Stone

The mandala (Sanskrit: "circle" or "completion") is a geometric diagram — typically featuring concentric circles and squares, radial symmetry, and a defined center — that functions as a map of the cosmos, a meditation ai

mandala sacred architecture Borobudur Angkor Wat Hindu temple Buddhist temple

V_2_02 Verified Mathematics & Information

V_2_02 — Topology & Knot Theory: Celtic Knots to DNA

Topology — the study of properties preserved under continuous deformation (stretching, bending, but not tearing or gluing) — originated with Euler's solution to the Königsberg bridge problem (1736) and evolved into one o

topology knot theory Euler Königsberg bridges Celtic knotwork DNA topology

J_3_15 Verified Ancient Technology

J_3_15 — Inca Engineering: Roads, Bridges, and Quipu

The Inca Empire (Tawantinsuyu — "Land of the Four Quarters"), at its peak in the late 15th and early 16th centuries CE, was the largest empire in pre-Columbian America — stretching approximately 4,000 km along the wester

Inca Tawantinsuyu quipu road bridge Qhapaq Ñan

BROWSE BY SECTION — 3,721 documents across 34 fields

A Foundations 112 Docs B Beings & Entities 114 Docs C Global Traditions 116 Docs D Sites & Artifacts 116 Docs E Cataclysms & Chronology 109 Docs F Lost Connections 111 Docs G Modern Frameworks 99 Docs H Suppression & Thesis 95 Docs I UAP Disclosure 87 Docs J Ancient Technology 103 Docs K Consciousness 105 Docs L Genetics & Origins 92 Docs M Forbidden Archaeology 103 Docs N Secret Societies 87 Docs O Earth Anomalies 108 Docs P Philosophy & Meaning 104 Docs Q Cosmology & Physics 100 Docs R Biology & Evolution 95 Docs S Future Technology 100 Docs T Psychology & Social 112 Docs U Art, Music & Culture 122 Docs V Mathematics & Information 87 Docs W World Civilizations 140 Docs X Medicine & Healing 126 Docs Y Altered States 108 Docs Z Molecular Biology 112 Docs ZA Physics & Quantum 117 Docs ZB Ecology & Biology 117 Docs ZC Social Science 111 Docs ZD Information & Computation 96 Docs ZE Ethics & Applied Philosophy 99 Docs ZF Oceanography 105 Docs ZG Linguistics & Communication 110 Docs ZH Archaeoastronomy 114 Docs