Parasequences
Parasequences are the building blocks of shallow marine systems tracts. The stratigraphy of ancient, shallow marine deposits is commonly […]
Interpreting ancient environments
How to do things, In the field, Interpreting ancient environments
Sequence stratigraphic surfaces
A brief look at the key stratigraphic surfaces that help us construct sequence stratigraphic models. Look at any pile of
Stratigraphic cycles: What are they?
Stratigraphic repetition, stratigraphic cycles, and stratigraphic trends We know with reasonable certainty that the sun will rise tomorrow. We know
Autogenic or allogenic dynamics in stratigraphy?
Or why the distinction between allogenic and autogenic dynamics is not as straight forward as we might think! Stratigraphic analysis
Spheroidal and honeycomb weathering
One of the beaches we frequent, off the beaten track and commonly deserted, has at its south end cliffs of
How to read a sea level curve
Changes in sea level, or baselevel, are central to all forms of genetic stratigraphy. Shorelines migrate basinward or landward because
Facies and facies models
Facies and facies models are fundamental tools for sedimentology and sequence stratigraphy. This is part of the How To…series on
Sediment accommodation and supply
The duality of stratigraphic accommodation and sediment supply This is part of the How To…series on Stratigraphy and Sequence Stratigraphy
Baselevel, base-level, and base level
Baselevel is a datum. This is part of the How To…series on Stratigraphy and Sequence Stratigraphy Baselevel is a datum.
A timeline of stratigraphic principles; 1950-77
This is the third of three posts that look briefly at the development of stratigraphic concepts and the people responsible