We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.
Last full accuracy audit: 2026-08-27 · 10 entries checked · 5 flagged · 6 issues confirmed · 5 corrected · 1 still open
Cretaceous — The twofold division into Early and Late Cretaceous was not established by Conybeare and Phillips in 1822; it was formalized later, notably by Alcide d'Orbigny in the 1840s.
Cretaceous — The lower boundary of the Cretaceous is not officially undefined; the ICS lists the base as 145.0 ± 0.8 Ma as an agreed age, but the statement that it is 'officially considered approximately 145 Ma' is misleading because it is not a ratified GSSP.
Crust (geology) — The lunar crust thickness range is stated as 'Between about 20 and 120 km', but the commonly cited range is 30–100 km, with 120 km only in limited areas.
Earth's crust — The claim that the crust is less than one percent of Earth's radius is factually incorrect; the crust's thickness (up to ~80 km) is about 1.25% of Earth's radius (~6,371 km).
Granite — The LORE section states that granite consists mainly of feldspar, quartz, mica, and amphibole minerals, but amphibole is not a defining or essential constituent of granite; the standard IUGS classification lists essential minerals as quartz, alkali feldspar, a
Gypsum — The claim that gypsum is the main constituent in blackboard or sidewalk chalk is inaccurate; modern blackboard chalk is typically made from calcium carbonate, not gypsum.
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