Can you list other methods and criteria that can be used for this purpose?
What will be an ideal response?
Answer: One useful supplementary method is radiometric age dating, where ages of individual minerals associated with the mineral paragenesis are dated. Another is the use of kinematic indicators. If the kinematics associated with the two different fabrics are opposite or at least different, this may indicate two different phases rather than one progressive phase.
You might also like to view...
Clothing worn in folk cultures is usually selected based on
A) the choice of clothing neighboring communities make. B) the mandates of the local government. C) the edicts of the local religious organization. D) agriculture practices and climatic conditions. E) availability of cloth.
On this map, identify the letter that is over an island arc.
A) A
B) B
C) C
D) D
E) Feature is not labeled.
Coarse grained igneous textures indicate that:
a) there was a lot of gas in the magma b) the rock cooled quickly c) the rock broke apart as it flowed d) the rock cooled slowly e) the ash and pumice were hot and became compacted
Internally, the earth consists of spherical shells with different compositions and densities
Indicate whether the statement is true or false