bahan 1. stratigraphy

8/17/2019 bahan 1. stratigraphy

1/26

REVIEW

GEOLOGI FISIK


2/26

POKOK PEMBAHASAN1. Prinsip-prinsip tentang lit!stratigra" #an $i!stratigra"%. Pengenalan Kalsi"&asi Organis'e

(. F!ra'ini)era

*. Palin!l!gi

+. Mineral A,t!geni&. Str,&t,r Se#i'en Pen,nang Ling&,ngan Pengen#apan

/. Analisa $er$agai ling&,ngan pengen#apan

0. Pr!ses ransgresi #an Regresi #engan 2iri "si& #an $i!l!gispa#a ,$,ngan se#i'en #i #aera 2e&,ngan

3. Analisa sat,an stratigra" ,nt,& &!relasi pa#a s,at,2e&,ngan se#i'entasi


3/26

4AFAR P5SAKA1. B!ggs6 sa'. 7r. 130(. Principle of Sedimentology

and Stratigraphy . Merril P,$lising 8!.A Bell 9H!:ell6 O!i. L!n#!n Mel$!,rne.

%. Kr,i'$en. W.8. sl!ss6 L. 13(. Stratigraphy andSedimentation. W.H. Free'an 9 8!.

(. Petti!n6 F.7. 133. Sedimentary Rocks. O;)!r# 9IBN P,$lising. 8al2,tta.

*. Pringg!pra:ir!6 #&&. 133/. F!ra'inin)era.Instit,te e2n!l!g< Ban#,ng =IB>. Ban#,ng.

+. Internet


4/26

KRIERIA PENILAIAN

,gas-t,gas Man#iri ? 1@

K,is =PREES 9 POSES> ? %@

Mi# est =5S> ? %@

4is&,si =PRESENASI> ? %@

Final est =5AS> ? (@


5/26

Stratigraphy

Prin2iples !) Stratigrap<


6/26

SRAIGRAFIStratigra" $erasal

Strata =strat,'> -- lapisan =terse$ar> -- pe'erianC ga'$aran ata, ,r,t-,r,tan

lapisan

7a#i..

Stratigraf adalah il',


7/26

• Hubungan Stratigraf danSedimen

Se2ara &,s,s ,$,ngann


8/26

%. H,&,'

Uniformitarisme -- Dthe present is the key to the past

(. H,&,' Intr,siCPener!$!san =Cross Cutting

Relationship>

*. H,&,' 5r,tan Fa,na =Law of FaunaSuccession> !le 4e S!,l!ie =1///>

Systematic seuence o ossils !ith time.

$ault "rosion%gneous%ntrusion

&ock that are cut byanother geologiceature are olderthan the eaturethat cuts them.


9/26

Types of Stratigraphy

Lithostratigraphy Lithostratigraphic Unit Lithology

Pedostratigraphy Pedostratigraphic Unit Buried Soils

Biostratigraphy Bio Zones Fossil Content

Chronostratigraphy Chronostratigraphic Units

(Period, Epoch, Age)

Tie !elationships

"eochronostratigraphy "eochronostratigraphic Unit

(Syste, Series, Stage)

Tie !elationships

#agnetostratigraphy #agnetic !e$ersals, Chrons #agnetic Polarity

Cheostratigraphy %sotope Zones CheicalCharacteristics

Se&uence Stratigraphy Allostratigraphic Units uncon'orityoundedpac*ages

Type Subdivisions Property


10/26

KLASIFIKASI SRAIGRAFI

Prinsip #sr &atag!ri &lasi"&asi stratigra" ? Lit!stratigra" =stratigra" $at,an> ?

'ene&an&an p# !rganisasi strata &e #l'

sat,an% #i#asar&an si)at% lit!l!gin


11/26

Lit!stratigrapi2 5nits

Supergroup

"roup A

Foration A

#eer A

#eer B

#eer C

Foration B

#eer +

#eer E

#eer F

Foration C#eer "

#eer

"roup B

Foration +

#eer %

#eer -

#eer .

#eer L

#eer #

Foration E

#eer /

#eer 0

#eer P

#eer 1

Foration F

#eer !

#eer S#eer T

Supergroup|

Group

|Formation

|

Member |

Bed


12/26

Lit!stratigrapi2 E;a'ple?

Gran# 8an


13/26

Bi!stratigrap<

Defined by first and last

appearance of index

fossils and/or fossil

assemblages

Superzone - Biozones - Subzones


14/26

8r!n!stratigrap< an# te

4eel!p'ent !)te Ge!l!gi2 i'e

S2ale


15/26

Ge!l!gi2

i'eS2ale


16/26

Types o 'ontacts

Intr,sie

Fa,lt

4ep!siti!nal

- 8!n)!r'a$le 8!nta2t

- 5n2!n)!r'it<


17/26

Types o 'ontacts ()epositional

V e r t i c a l C o n t a c t s

Lateral Contacts

pinchout

intertonguing

gradation

i n t e r c a l a t e d

g r a d u

a l

a b r u p t

(Boggs, p. 453)


18/26

Lateral Contacts

(E. McBride)


19/26

B!,n#aries?

8!n)!r'a$le Be# 8!nta2ts

Gradational !arp

B # i


20/26

B!,n#aries?5n2!n)!r'ities

Gaps in R!2& Gaps in i'e


21/26

Unconformities

5n2!n)!r'it


22/26

1. F!r'ati!n !) an Ang,lar5n2!n)!r'it<

% F!r'ati!n !) a


23/26

%. F!r'ati!n !) a4is2!n)!r'it<


24/26

3 Paraconformity ! sediments on sediments "same orientation#

no obvious erosion surface

"$oggs% p &'(#


25/26

& )onconformity ! sediments on crystalline igneous or

metamorphic roc*s

+rosional Surface

Uplift% +rosion% ,eposition

) 5 ) iti


26/26

bahan 1. stratigraphy

Documents