Changes

=====Observations=====

=====Observations=====

Key attributes to capture include the following (see also [[:file:M126CH3-Table2.jpeg|Table 2]] and [[Mudstone nomenclature]] and [[Laminasets, beds, and bedsets]]:

Key attributes to capture include the following (see also [[:file:M126Ch3-Table2.jpeg|Table 2]] and [[Mudstone nomenclature]] and [[Laminasets, beds, and bedsets]]:

[[file:M126CH3-Table2.jpeg|thumb|300px|’’Table 2.’’ Mudstone Attributes Most Useful for Sequence-stratigraphic Analyses.]]

[[file:M126Ch3-Table2.jpeg|thumb|300px|’’Table 2.’’ Mudstone Attributes Most Useful for Sequence-stratigraphic Analyses.]]

* Depth or elevation

* Depth or elevation

=====Interpretations=====

=====Interpretations=====

It is important to comment on the following (see also [[:file:M126CH03-Table2|Table 2]] , [[Laminasets, beds, and bedsets]], and [[Parasequences]]<ref>Bohacs, K. M., O. R. Lazar, and T. M. Demko, 2022a, Parasequences, in K. M. Bohacs and O. R. Lazar, eds., Sequence stratigraphy: Applications to fine-grained rocks: AAPG Memoir 126, p. 107–148.</ref>):

It is important to comment on the following (see also [[:file:M126CH3-Table2.jpeg|Table 2]] , [[Laminasets, beds, and bedsets]], and [[Parasequences]]<ref>Bohacs, K. M., O. R. Lazar, and T. M. Demko, 2022a, Parasequences, in K. M. Bohacs and O. R. Lazar, eds., Sequence stratigraphy: Applications to fine-grained rocks: AAPG Memoir 126, p. 107–148.</ref>):

* Origin of grains

* Origin of grains

* Transportation, depositional, and reworking processes

* Transportation, depositional, and reworking processes

=====Consistency of Marine Substrate=====

=====Consistency of Marine Substrate=====

Organisms bioturbating fine-grained sediments may produce different burrows depending on substrate consistency<ref name=LbzSchbr><ref name=Schbr2003 /><ref name=WtzlUchmn /><ref>Wetzel, A., 1991, Ecologic interpretation of deep-sea trace fossil communities: Palaeogeography, Palaeoclimatology, Palaeoecology, v. 85, p. 7–69.</ref><ref>Bromley, R. G., 1996, Trace fossils biology, taphonomy and applications, 2nd ed.: London, Chapman and Hall, 361 p.</ref><ref>Brett, C. E., and P. A. Allison, 1998, Paleontological approaches to the environmental interpretation of marine mudrocks, in J. Schieber, W. Zimmerle, and P. Sethi, eds., Shales and mudstones I.: Stuttgart, Germany, E. Schweizerbart’sche Verlagsbuchhandlung (Nagele u. Obermiller), p. 301–349.</ref>. Five levels of substrate consistency can be inferred from ichnofossil analysis—from “soupground” to “hardground” ([[file:M126CH03-Table3]]).

Organisms bioturbating fine-grained sediments may produce different burrows depending on substrate consistency<ref name=LbzSchbr><ref name=Schbr2003 /><ref name=WtzlUchmn /><ref>Wetzel, A., 1991, Ecologic interpretation of deep-sea trace fossil communities: Palaeogeography, Palaeoclimatology, Palaeoecology, v. 85, p. 7–69.</ref><ref>Bromley, R. G., 1996, Trace fossils biology, taphonomy and applications, 2nd ed.: London, Chapman and Hall, 361 p.</ref><ref>Brett, C. E., and P. A. Allison, 1998, Paleontological approaches to the environmental interpretation of marine mudrocks, in J. Schieber, W. Zimmerle, and P. Sethi, eds., Shales and mudstones I.: Stuttgart, Germany, E. Schweizerbart’sche Verlagsbuchhandlung (Nagele u. Obermiller), p. 301–349.</ref>. Five levels of substrate consistency can be inferred from ichnofossil analysis—from “soupground” to “hardground” ([[file:M126CH3-Table3.jpeg|Table 3]]).

[[file:M126CH03-Table3.jpeg|thumb|300px|’’Table 3.’’ Inferred Substrate Consistency Based on Ichnofossils Analysis.]]

[[file:M126CH3-Table3.jpeg|thumb|300px|’’Table 3.’’ Inferred Substrate Consistency Based on Ichnofossils Analysis.]]

=====Rock-Color Charts=====

=====Rock-Color Charts=====