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GY 402: Sedimentary PetrologyGY 402: Sedimentary Petrology

Lecture 1: Overview of course content;

Origin of Sediment

UNIVERSITY OF SOUTH ALABAMA

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GY 402 course objectives:

....major theoretical components of sedimentology and

sedimentary petrology ...practical sedimentary techniques (lab and field-based)

...how to think and how to correctly interpret data

...how to plan research and present results (writing skills)...how to plan research and present results (writing skills)

To teach geology majors.....

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Why sedimentology is important

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Fact 1: You live right next door to some of themost impressive and important modern

sedimentary environments on the planet.

Fact 2: You live on top of Quaternary andTertiary sedimentary basement rocks.

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Fact 1: You live right next door to some of themost impressive and important modern

sedimentary environments on the planet.

Fact 2: You live on top of Quaternary andTertiary sedimentary basement rocks.

Fact 3: Most jobs in geology are soft rock-related.

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Sedimentary petrology is used inSedimentary petrology is used in

Petroleum exploration/exploitationPetroleum exploration/exploitation

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Environmental geology/hydrologyEnvironmental geology/hydrology

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Remote sensingRemote sensing (soils analysis)(soils analysis)

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Marine geologyMarine geology

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PaleoclimatologyPaleoclimatology

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BiologyBiology (substrate in(substrate in seagrassseagrass beds; coral ecology)beds; coral ecology)

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ArchaeologyArchaeology (lithics analysis)(lithics analysis)

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ArchaeologyArchaeology (lithics analysis)(lithics analysis)

EngineeringEngineering (materials testing, seawall protection)(materials testing, seawall protection)

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GY 402 Contact timeGY 402 Contact time

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Assigned lecture times:Assigned lecture times:

Two 1 hour lecture slots per weekTwo 1 hour lecture slots per week(M,R 12:20pm(M,R 12:20pm 11:20pm)11:20pm)

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Assigned lecture times:Assigned lecture times:

Two 1 hour lecture slots per weekTwo 1 hour lecture slots per week(T,R 11:00 am(T,R 11:00 am 12:00pm)12:00pm)

Assigned lab times:Assigned lab times:

Two 2 hour lecture slots per weekTwo 2 hour lecture slots per week(T,R 12:00 pm(T,R 12:00 pm 1:50pm)1:50pm)

Note:Note: Labs are designed to be completed in 2 to 3 hours ofLabs are designed to be completed in 2 to 3 hours offocusedfocused workwork

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GY 402 Assessment

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GY 402 Assessment

Tests: 1) Midterm exam (take home; 10%)2) Final exam (in class; 10%)

3) Final lab exam (in class; 10%)

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GY 402 Assessment



Big Assignments: 1) grain size (10%)

2) St Stephens Quarry (5%)

3) Moscow Landing (15%)

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GY 402 Assessment



Big Assignments: 1) grain size (10%)2) St Stephens Quarry (5%)


Lab Assignments: (weekly; Total 15%)

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GY 402 Assessment






GSSA Writing Assignments (10%)

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GY 402 Assessment







Peer review (5%)

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GY 402 Assessment







Peer review (5%)

Participation: (10%)

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GY 402 Assessment

All assignments must be in my mail box by5:00PM on the due date as specified on the classcalendar

I do not accept late assignments without a validexcuse (e.g., medical)

Now about those research papers and writingassignments and how I mark them....

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Do not be offendedDo not be offendedwhen your stuff comewhen your stuff comeback looking like this:back looking like this:

GY 402 Assessment

constructive criticism is a

good thing

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Incidentally: Failure,Incidentally: Failure,

not success, is thenot success, is thenorm in researchnorm in research

too much hand holding is

not necessarily a good

thing

rethinking researchquestions is desirable

GY 402 Assessment

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Past GY 402 Grade distributionPast GY 402 Grade distribution

Past grade distribution (19 years of data).Past grade distribution (19 years of data).A: 49%A: 49%

B: 44%B: 44%C: 03%C: 03%

D/F: 01%D/F: 01%

WD: 03%WD: 03%

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Survival in GY 402Survival in GY 402

1) Keep track of assignment due dates (Calendar)

2) Check your JAG E-mail daily

3) Become familiar with the class website:

www.southalabama.edu/geology/haywick/gy402

4) Work well with others (share duties)

5) Do not stay quiet in class

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Thin section petrography:

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0.75 mm FOV, XN0.75 mm FOV, XN

ForaminiferaForaminifera

BryozoanBryozoan

Modern sedimentModern sediment

(John Brewer Reef,(John Brewer Reef,Australia)Australia)

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2.5 mm FOV, PPL, Stained2.5 mm FOV, PPL, Stained

Coral skeletonsCoral skeletons

BrecciationBrecciation(post(post--lithification)lithification)

Ferroan calciteFerroan calcite

cementcement

Rugose coral inRugose coral in

Paleozoic BangorPaleozoic BangorLimestoneLimestone

(Alabama)(Alabama)

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2.0 mm FOV, XN2.0 mm FOV, XN

ChertChert

RockRockFragFrag..

LimoniteLimonite

PlagPlag feldsparfeldspar

QuartzQuartz

LithareniteLitharenite

(Cretaceous,(Cretaceous,Alberta)Alberta)

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Origin of sedimentOrigin of sediment

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Siliciclastic (reworked stuff)Siliciclastic (reworked stuff)

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Siliciclastic (reworked stuff)Siliciclastic (reworked stuff)VolcaniclasticVolcaniclastic (primary deposition)(primary deposition)

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Carbonate (Carbonate (in situin situ mostly biogenic)mostly biogenic)

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Carbonate (Carbonate (in situin situ mostly biogenic)mostly biogenic)

Chemical (evaporite/hydrothermal)Chemical (evaporite/hydrothermal)

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MobileMobile

EstuariesEstuaries

NASANASA LandsatLandsat imageimage

15 km15 km

BeachesBeaches

DeltaDelta

Barrier IslandsBarrier Islands

Meandering RiversMeandering Rivers

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Alluvial fansAlluvial fans

Rocks:Rocks:

BrecciaBreccia

ArkoseArkose

SandstoneSandstone

Red ShaleRed Shale

Fossils: NoneFossils: None

Climate: AridClimate: Arid

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RiversRivers (Braided & Meandering)(Braided & Meandering)

Rocks:Rocks:

ConglomerateConglomerate

Lithic sandstoneLithic sandstone

Red ShaleRed Shale

Fossils: Plants/bonesFossils: Plants/bones

Climate: Wet to dryClimate: Wet to dry

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BeachesBeaches (open(open -- shoreline attached)shoreline attached)

Rocks:Rocks:

Quartz AreniteQuartz Arenite

Shale/siltstoneShale/siltstone

Fossils: Lots!Fossils: Lots!

(shells)(shells)

Climate: Arid toClimate: Arid to

wetwet

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SwampsSwamps (open(open -- shoreline attached)shoreline attached)

RocksRocks::

CoalsCoals

Black ShaleBlack Shale

Fossils: Lots!Fossils: Lots!

(plants)(plants)

Climate: WetClimate: Wet

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ReefsReefs ((stromatoliticstromatolitic))

Rocks:Rocks:

Limestone (Limestone (bindstonebindstone))

Limestone (grain stone)Limestone (grain stone)

Fossils: Lots! (coralsFossils: Lots! (corals

etc.)etc.)

Climate: TropicalClimate: Tropical

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Upcoming Stuff

10 minute break(someone make coffee!)

Followed by

Lecture 2: Grain size and sediment descriptions

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