The rock record and how to read it.
11 topics · 14 curated works
No prior grounding assumed.
Mineral Commodity Summaries 2024
U.S. Geological Survey · 2024
Tabulates production, reserves and trade for every nonfuel mineral commodity the United States depends on, the standard reference for how much of…
Assumes you know the vocabulary.
Report on the Geology of the Henry Mountains
Grove Karl Gilbert · 1877
Explains the Henry Mountains as laccoliths — sills of intruded magma that arched the rock above them into domes — and derives from Utah's dry…
+3 more at this level
Primary sources and full treatments.
The Prodromus of Nicolaus Steno's Dissertation
Nicolas Steno · 1669
Establishes from the layered rock of Tuscany that strata form horizontally and that a lower layer is older than the one above it, the founding logic…
+8 more at this level
12 of 14 works
U.S. Geological Survey
Tabulates production, reserves and trade for every nonfuel mineral commodity the United States depends on, the standard reference for how much of anything is actually left in the ground.
link checked 17 Sept 2026Grove Karl Gilbert
Explains the Henry Mountains as laccoliths — sills of intruded magma that arched the rock above them into domes — and derives from Utah's dry drainage the general theory of how landscapes erode toward equilibrium.
about 4 hours to readlink checked 17 Sept 2026Arthur Holmes
Uses the newly measured rate of radioactive decay in rocks to argue the Earth is at least several hundred million years old, replacing physicists' much shorter estimates from cooling alone.
link checked 17 Sept 2026Peter W. Lipman & Donal R. Mullineaux
Documents, from direct USGS observation, how a bulging volcanic flank failed catastrophically and depressurised the magma beneath it, rewriting how eruption hazards are forecast.
844 pageslink checked 17 Sept 2026Naomi Oreskes (The Royal Institution)
Retells the acceptance of plate tectonics as a case study in how evidence actually persuades a scientific community, and argues the standard account understates who supplied the decisive data.
link checked 17 Sept 2026Nicolas Steno
Establishes from the layered rock of Tuscany that strata form horizontally and that a lower layer is older than the one above it, the founding logic of reading history from a rock face.
link checked 17 Sept 2026James Hutton
Argues the Earth is shaped by the same slow, ongoing processes observable today operating over an effectively unlimited span of time, founding the concept of deep time against a young, static Earth.
about 8 hours to readlink checked 17 Sept 2026William Smith
Demonstrates that rock strata can be identified and correlated across distant outcrops by the fossils unique to each layer, the method underlying the entire geologic column.
link failing as of 17 Sept 2026Charles Lyell
Argues that the same slow processes visible today — erosion, sedimentation, gradual uplift — are sufficient to explain the entire rock record given enough time, displacing sudden catastrophe as geology's default explanation.
about 29 hours to readlink checked 17 Sept 2026Notes on this copyJames Dwight Dana
Classifies minerals by chemical composition and crystal form rather than superficial appearance, establishing the systematic scheme mineralogy is still organised around.
link checked 17 Sept 2026E. M. Anderson
Shows that normal, reverse and strike-slip faults are the predictable geometric consequence of how the three principal stresses in the crust are oriented, rather than three unrelated phenomena.
link checked 17 Sept 2026Norman L. Bowen
Argues that the diversity of igneous rocks comes from a single parent magma fractionating in a predictable crystallisation sequence, not from many unrelated source magmas.
link checked 17 Sept 2026