Which sequence stratigraphic model is that?
Assessing different sequence stratigraphic models. The concept of unconformity-bound sequences was first proposed by Sloss et al. (1949, Sloss (1963) […]
The (really) Ancient Earth
Stratigraphic condensation – condensed sections
Condensed sections record multifarious interactions of physical, biological, and geochemical processes played out over long time spans, all condensed into
Parasequences
Parasequences are the building blocks of shallow marine systems tracts. The stratigraphy of ancient, shallow marine deposits is commonly
A timeline of stratigraphic principles; 15th-18th C
This and the following two posts look briefly at the development of stratigraphic concepts and the characters responsible for them.
Mineralogy of carbonates: Stromatolite reefs
An example of a Paleoproterozoic stromatolite reef This is part of the How To…series on carbonate rocks Reefs are the
Sedimentary structures: Stromatolites
A look at stromatolites and cryptalgal laminates in outcrop This is part of the How To…series on describing sedimentary rocks
Mineralogy of evaporites: saline lake brines
The evolution of brines that produce saline lake evaporites. This is part of the How To…series on evaporites Seawater
Mineralogy of carbonates; Beachrock
Early lithification of beach sand. This is part of the How To…series on carbonate rocks One of the most
The provenance of detrital zircon
This post is part of the How To…series – using zircon geochronology to decipher provenance Zircon is a common accessory
Bits of North America that were left behind
How bits of ancient North America (Laurentia) were left behind in the Scottish Hebrides. The jigsaw puzzle of continents and