presentation kuliah prinsip stratigrafi unpad

8/17/2019 Presentation Kuliah Prinsip Stratigrafi Unpad

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FACULTY OF ENGINEERINGGEOLOGY

UNIVERSITY PADJADJARAN

BY :AHMAD HELMAN HAMDANI


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Uses a variety ! "et#$s % !ssi&s' sta(&e ist)es')a&e"a*+eti,s' se$i"e+tary ,y,&es % t ,rre&ate a+$

$isti+*-is# &ayers

T#e st-$y ! strata .&ayers/ ! r,0 &ayers 1it# res)e,tt t#e s)a,e .s)atia& )siti+ a+$ rie+tati+/ a+$ ti"e. te")ra& as)e,t/ a si*#t t1ar$ i+ter)reti+* t#e*e&*i, #istry ! t#e re*i+

T#e strati*ra)#y a&si+v&ves a ,+,e)t

*e&*ists re!er t asRelative Dating

T#is )#rase "ay ,+2-re -) $$ 20es a+$ i"a*es ! 0issi+*,-si+s t s"e' (-t !r *e&*ist t#e )#rase re!ers t$isti+*-is#i+* t#e a*e re&ati+s#i) (et1ee+ ,+ti*--s r,0&ayers


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Strati*ra)#i, La1s

T#e (asi, )ri+,i)&es t#at -se ! a&& *e&*ists i+$e,i)#eri+* t#e s)atia& a+$ te")ra& re&ati+s#i) ! r,0&ayers is Stratigraphic Laws

T#e &a1s 1ere $eve&)e$ i+ t#e 34t# t 35t#

,e+t-ries (ase$ -)+ t#e 1r0 ! Nie&s Ste+(in the his Dissertation of Solid NaturallyContained within a Solid, which called ThreeStratigraphic Laws); a"+* t#ers 1ere$eve&)e$ (y Ja"es H-tt+ a+$ 6i&&ia" S"it#3/ Ori*i+a& Hri7+ta&ity 8 orientation when eds

deposited 9/ Latera& C+ti+-ity : spatial correlation of the

individual hori!ons and roc" units/ S-)er)siti+ : relative age fro# se$uence of

roc" when deposited ;/ Crss%C-tti+* re&ati+s#i) : Se$uence of event

record in roc" relationship


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Ori*i+a& Hri7+ta&ity

C+strai+t + Ori*i+a& Orie+tati+a/A&& se$i"e+tary r,0s are ri*i+a&&y $e)site$#ri7+ta&&y(/Pri+,i)&e a))&ies t se$i"e+tary r,0s !r"e$ i+ a+a>-e-s e+vir+"e+t

,/Se$i"e+tary r,0s t#at are + &+*er #ri7+ta& #ave(ee+ ti&te$ !r" t#eir ri*i+a& )siti+d)Strata either perpendicular to the hori!ons or inclinedto the hori!ons were at one ti#e parallel to the hori!ons( Steno, %&&' )

rand Canyonhori!ontal strata


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Ori*i+a& Hri7+ta&ity

Evi$e+,e ! De!r"ati+a/N+%#ri7+ta& se$i"e+tary r,0s(/M$i?e$ (y )st%$e)siti+a&eve+ts' s-,# as !&$i+*

folded roc"units


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Latera& C+ti+-ity

S)atia& Re&ati+s#i)a/Se$i"e+ts !r"s as ,+ti+-s &ayers(/I+$ivi$-a& #ri7+s r &ayers t#i+ r e+$+&y 1#e+ t#e e+vir+"e+t ! $e)siti+,#a+*es,/E+a(&es ,rre&ati+ ! (e$s 1it# s)e,i?,,#ara,teristi,

$/Se$i"e+tary &ayers $+@t 2-st st)s-$$e+&ye/T#ey ete+$ #ri7+ta&&y -+ti& t#ey ta)er-t!/Materia& !r"i+* a+y strat-" 1ere,+ti+-s ver t#e s-r!a,e ! t#e eart#

-+&ess s"e t#er s&i$ ($ies st$ i+ t#e1ay .Ste+' 3==5 /


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S-)er)siti+ La1

Or$er ! Layere$ U+itsa/A r,0 -+it is y-+*er t#a+ t#e +e (e&1a+$ &$er t#a+ +e a(ve

(/Strati*ra)#i, C&-"+ te")ra&s-,,essi+ ! r,0 -+its' $e)siti+ +t+e,essari&y ,+ti+-s (-t se>-e+tia&,/At t#e ti"e 1#e+ a+y *ive+ strat-"

!r"e$' a&& t#e "atter resti+* -)+ it 1as-i$' a+$' t#ere!re' at t#e ti"e 1#e+ t#e&1er strat-" 1as (ei+* !r"e$' ++e !t#e -))er strata eiste$ .Ste+' 3==5 /


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Crss%C-tti+* Re&ati+

Eve+t ! Se>-e+,ea/A y-+*er -+its ,rss%,-t &$er r,0 -+it

3 ersi+ s-r!a,e 9 i+tr-si+s -+,+!r"ities(/ I! a ($y r $is,-+ti+-ity a,rss astrat-"' it "-st #ave !r"e$ a!ter t#at

strat-" .Ste+' 3==5 /

Re,r$e$ Se>-e+,e ! Eve+ts

De)siti+ ! !ssi&i!er-s se$i"e+ts .A/ F&$i+* $e!r"ati+ ! A I+tr-si+s ! i*+e-s r,0 .B/ Ersi+ t ,reate s-r!a,e .C/ De)siti+ ! !ssi&!er-s se$ie"+ts .D/


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I+,&-si+

Eve+t ! Se>-e+,ea/A r,0 !ra*"e+ts .i+ a+t#er r,0/ "-st(e &$er t#a+ t#e r,0 ,+tai+i+* t#e!ra*"e+t

Rock fragment

Parent rock


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Fa-+a& S-,,essi+

S)atia& Re&ati+s#i)a/Fssi& *r-)s 1ere s-,,ee$e$ (y t#er!ssi& *r-) t#r-*# ti"e(/T $eve&)e$ !ssi& strati*ra)#y a+$)rvi$e$ "ea+s t ,rre&ate r,0st#r-*#-t t#e 1r&$,/6ere $eve&)e$ (y 6i&&ia" strata

S"it# 34=5%35

presentation kuliah prinsip stratigrafi unpad

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