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Stratigraphy / Harris matrix templates

Earth Science — Grand Canyon Strata

Layered rock units exposed in the Grand Canyon.

Stratigraphy / Harris matrixGeo & SpatialStratigraphy / Harris matrix syntax docs
Template previewStratigraphy / Harris matrix
Grand Canyon stratigraphyKaibab LimestonePermian0.00 mCoconino SandstonePermian0.80 mHermit Shale1.80 mSupai Group2.40 mRedwall LimestoneMississippian3.60 mTapeats SandstoneCambrian5.10 mVishnu SchistPrecambrian5.60 m7.60 m128 million years missing7 layers, 7.60 m, and the contacts this could check are the right way up — but 2 layers of the 7 carr…2 layers of the 7 carry no `age` — `Hermit Shale`, `Supai Group`. Superposition is transitive, so the law was still…128 million years are missing between `Tapeats Sandstone` and `Redwall Limestone`: the lower layer ends long before…

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title "Grand Canyon stratigraphy"
type column
layer "Kaibab Limestone"   thickness 0.8 color "#d6bea0" age "Permian"
layer "Coconino Sandstone" thickness 1.0 color "#f5deb3" age "Permian"
layer "Hermit Shale"       thickness 0.6 color "#b45f3a"
layer "Supai Group"        thickness 1.2 color "#c97f4a"
layer "Redwall Limestone"  thickness 1.5 color "#b91c1c" age "Mississippian"
layer "Tapeats Sandstone"  thickness 0.5 color "#d2a679" age "Cambrian"
layer "Vishnu Schist"      thickness 2.0 color "#475569" age "Precambrian"