Atlas of delta deposits
Deltas come (and go) in all shapes and sizes. They form where a trunk river discharges into a largish body […]
Atlas of sediments & sedimentary structures, How to do things, In the field, Interpreting ancient environments
Interpreting ancient environments
Atlas of sediments & sedimentary structures, How to do things, In the field, Interpreting ancient environments
Atlas of fan deltas
Fan deltas are like alluvial fans except they dip their toes in lakes and shallow seas. So, in addition to
Atlas of sediments & sedimentary structures, How to do things, In the field, Interpreting ancient environments
Stromatolites and microbial laminates
Stromatolites. The Precambrian is replete with them. In many ways they define the Precambrian, that period of earth history, about
Atlas of sediments & sedimentary structures, How to do things, In the field, Interpreting ancient environments
Atlas of trace fossils
Trace fossils have the privilege of being two things at once: sedimentary structures, and fossils. They occur in sediment, are made
Atlas of sediments & sedimentary structures, How to do things, In the field, Interpreting ancient environments
Atlas of Syntectonic sediments
Syntectonic deposition This category is a bit different to the other Atlas collections. It does not refer to a specific
Atlas of sediments & sedimentary structures, How to do things, In the field, Interpreting ancient environments
Atlas of syn-sedimentary deformation
Soft sediment deformation Deformation of sediment while it is soft or semi-consolidated, is common. The rock record is replete with
Atlas of sediments & sedimentary structures, How to do things, In the field, Interpreting ancient environments
Atlas of submarine fans and channels
Submarine fans and channels: Beyond the slope (continental slope or delta slope) is the deep ocean floor, at depths usually
Atlas of sediments & sedimentary structures, How to do things, In the field, Interpreting ancient environments
Marine slope, shelfbreak gullies, slope channels, submarine canyons
Marine slopes are bona fide geological settings in themselves, but from a geotectonic perspective they are the region where continental
Atlas of sediments & sedimentary structures, How to do things, In the field, Interpreting ancient environments
Atlas of shelf deposits
The term ‘shelf’ is used here loosely – it covers a range of submarine settings, mostly shallower than about 300m,
Atlas of sediments & sedimentary structures, How to do things, In the field, Interpreting ancient environments
The Dalradian from Scotland and Ireland
The Dalaradian, a 15+km-thick sequence of metasediments and metavolcanics occupies a broad swath through central Scotland. This is the Grampian