The Bagnold dune field, Gale crater
A series introducing aeolian processes and deposition, comparing the conditions on Earth and Mars. Mars’ landscaping over the past three […]
In the field
How to do things, In the field, Under the microscope
Clays produced by weathering
A series on clay minerals – their crystal chemistry, identification, formation Weathering of sediment and rock at Earth’s surface is
How to do things, In the field, Under the microscope
Identification of clay minerals
A series on clay minerals – their crystal chemistry, identification, formation Sedimentary clays are tiny. The Udden-Wentworth upper grain-size limit
How to do things, In the field, Under the microscope
Mineralogy of the common clays
A series on clay minerals – their crystal chemistry, identification, formation Clays are a ubiquitous component of nearly all siliciclastic,
How to do things, In the field, Under the microscope
The crystallography of clays
A series on clay minerals – their crystal chemistry, identification, formation Clays belong to the phyllosilicate group of minerals, that
How to do things, In the field, Pioneer Women in Geology
Carlotta Maury (1874-1938)
This biography is part of the series Pioneering women in Earth Sciences – the link will take you to the
Geophysics, How to do things, In the field, Planetary geology
Mars orbiter and lander missions
The orbiter and rover missions that allow us to step into Martian geology Most formal publications on planetary science incorporate
How to do things, In the field, Planetary geology
Evidence for sedimentary rocks on Mars
How do we know there are sedimentary rocks on Mars? Some of the criteria that justify our inclusion of sedimentary
How to do things, In the field, Interpreting ancient environments
Rheology of soft sediment deformation
The rheology of soft sediment and weak rock. This post is part of the Lithofacies Series. See the companion post
How to do things, In the field, Interpreting ancient environments
Soft sediment deformation
Slump folds, slides, convoluted laminae, enterolithic folds, normal and thrust faults, glide planes, fractures, boudinage, ball-and-pillow, load casts, dewatering pipes,