3.mecanismos de Generación de Magmas

 

Kngb`oskes fn cn`nrbgo÷` fn kbckbs

 

Kngb`oskes fn trb`slnrn`gob trb`sl nrn`gob fn gbier

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•

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Zbfobgo÷`

Bfvnggo÷` Ge`fuggo÷`

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Ge`vnggo÷` DL ; A*ΖV DL supnrlogon= 8,8?S/k: ^`b jekjoiib tëpogb fni decbr ton`n fn 36 dp5gurof;:>3676? 76?

 

Etre tope fn ge`vnggo÷`

 

dttps=//upiebf.woaoknfob.erc/woaopnfob/gekke`s/4/4b/Xibt dttps=//upiebf.woaoknfob.erc/woaopnfob/ gekke`s/4/4b/XibtnsUtngt:Un`.sv nsUtngt:Un`.sv

 

µRuï ns ni kbckb5 Lu`fofe qun n` cn`nrbi nstâ lerkbfe per u`b lbsn iëquofb kbyerotbrob, b ib qun bgekpbòb u`b lbsn s÷iofb (grostbins e lrbckn`tes lrbckn`tes fn regbs) y etrb cbsnesb, y qun sn n`gun`trb b tnkpnrbturbs n`trn 2.>88 y 488 ¸G. Ib lbsn iëquofb sunin nstbr lerkbfb per soiogbtes lu`fofes ge` prepergoe`ns kuy vbrobjins fn gbtoe`ns (Kc, Ln, Gb, @b, A) prepergoe`ns

 

µKbckb e ibv ibvb5 b5

dttp=//www.rncn`tsnbrtd.gek/OII^WVZBVNF%:8CIEWWBZ_/KbckbIbvb.dtk

 

Vopes fn kbckbs

Kâloges e Jbsâitoge-- WoE: 6>->> wt%, bite n` Ln, Kc, Gb, jbme n` A, @b. O`tnrknfoes e B`fnsëtoge-- WoE: >>- wt%, o`tnrknfoe o`tnrknfoe n` Ln, Kc, Gb, @b, A. Lïisoge e Zoeiëtoge-- WoE: -3>%, jbme n` Ln, Kc, Gb, bite n` A, @b.

Cbsns= fb` ni gbrâgtnr nxpiesove nxpiesove puns ni cbs sn nxpb`fn b knfofb qun fosko`uyn fosko`uyn ib prnso÷`. D:E

GE:

W

Gi

L

 

Xbse fn u` nstbfe s÷iofe b u`e iëquofe

 

Fobcrbkbs fn lbsns

Weiofus= tnkpnr tnkpnrbturb bturb b ib qun gekon`zb ib luso÷` fn u`b sustb`gob, pnre `e lu`fn gekpintbkn`tn. @e ns ni pu`te fn luso÷`.

Ioquofus= tnkpnrb tnkpnrbturb turb per n`gokb fn ib gubi ni kbtnrobi ns gekpintbkn`tn iëquofe y ib kâxokb tnkpnrbturb b ib qun genxostn` grostbins ge` ni lu`fofe n` nquoiojroe tnrkefo`âkoge

Weiofus Weiof us +ioqu +ioquofus= ofus= knzgib fn lbsn s÷iofb y iëquofb.

 

Luso÷` Xbrgobi Fni Kb`te

+ ΖV - ΖX + Ζ T veiâtoins veiâtoins

 

O`tnrbggo÷` Xrnso÷`/ Vnkpnrbturb

 

Bukn`te fn ib tnkpnrb tnkpnrbturb turb +  V) Crbfon`tn cnetïrkoge

 

Kevokon`t Kevokon`te e kbsove fn regb e kbckb 2

 

:

^`fnrpibto`c= ni kbckb jbsâitoge lu`fofe fn ib ze`b fn sujfuggo÷` n` bsgn`se ns lrn`bfe per gertnzb lnifnspâtogb kn`es fn`sb.

 

Nslunrze kngâ`oge fn gozbiib

R; N`nrcë N`nrcëb b tnrkbi. tnrkbi. Fe`fn Fe`fn   φ ns ni ns nslu lunr nrze ze fn

gozbiib gozb iib rnqunrofe rnqunrofe pbrb ni ukjrbi fn fnlerk fnl erkbgo bgo÷` ÷` y f ξ/ft ns ib tbsb tbsb fn nslunr nslunrze ze

Ni nslunrze fn gozbiib punfn snr sulogon`tn pbrb cn`nrbr gbier y bsë luso÷` fni kb`te

Iegbiozbfe= ze`bs fn lbiib lbiib fe`fn ibs tbsbs fn nslunrze se` kuy bitbs e n` sngterns fn okpbgtes fn kntnerotes

 

Bitbs tbsbs fn nslunrze= 028√: / b ie ibrce fn ze`bs fn lbiibs. Nsgbkbs fn regbs lu`fofbs sn bsegob` ge` lâjrogb gbtbgiâstogb gbtbgiâstog b n` ze`bs f fn n gozbiib per perqun qun ib gbtbg gbtbgibsos ibsos ns u` prngurser nsn`gobi fn luso÷` per lroggo÷`. Wnufetbquoiotb= vn`b fn vofroe esgure (jbsâitoge) prefugte fn luso÷` per pïrfofb râpofb fn gbier.

 

Fngbokon`te Fngbokon`t e rbfobgtove Vbsb fn prefuggo÷` fn gbier per= Crb`ote= 7,6 T28√> / y √<

Jbsbite= >,8 T28  / y Xnrofetotb= 7,4 T28√4 / y

 

N`cresbkon`te tngt÷`oge (0>8Ak)

Lbgterns rnibgoe`bfes= Xrefuggo÷` fn gbier rbfobgtove bukn`tb n` ib gertnzb n`cresbfb Znbmustn

fn ib V ge` u` kbyer nspnser fn

gertnzb b u` koske crbfon`tn tnrkbi

Fnpn`fn fn ib tbsb fn n`cresbkon`te Xunfn egurror u`bs pegbs fngn`bs fn Ky fnspuïs fni n`cresbkon`te erecï`oge

 

Fnsprnsurozbgo÷`

X)

Fnsgekprnso÷` bfobjâtogb bfobjâto gb fn regb gbion`tn gnrgb fn ib ië`nb fn s÷iofes punfn o`fugor luso÷`. Fosko`ugo÷` Fosko `ugo÷` fn 2 Ajbr (7 Ak) ; bukn` bukn`te te ?¸G Xunfn bigb`zbr b cn`nrbr bi kn`es 78% fn lu`fofe

28¸G/Ajbr

 

Kngb`oske feko`b`tn fn cn`nrbgo÷` fn kbckb

Bicu`es cn÷ieces pon`sb` qun ib fnsprnsurozbgo÷` fn regbs ge`to`n`tbins nxdukbfbs punfn gbusbr luso÷` pbrgobi

 

Lbgter kâs soc`ologbtove

Bfogo÷` fn liuofes

+

T

cu

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Bukn`te n` ib ge`gn`trbgo÷` e prnso÷` fn bcub.

Fnsgn`se per ib sujfuggo÷`

 

Jnstt (:887) Jns (:887)  

Jnstt (:887) Jns (:887)  

Zegb Lun`tn Fn Kbckb

Ib lun`tn pro`gopbi fn n`nrcëb tïrkogb y  prefuggo÷` fn kbsb fni kbckb kbckb n` ib tonrrb ns ni kb`te

 

WoE , Bi E , LnE, KcE y GbE :

7,7>c/gk7

:

7

 

O`giusoe`ns fnrovbfbs fni kb`te

Fo÷psofe roge n` Greke Gio`eporexn`e roge n` Bi-Ln-Vo

dttp=//www.`bturn.gek/`g dttp=//www .`bturn.gek/`gekks/meur`bi/v7/`>/locUt ekks/meur`bi/v7/`>/locUtbj/`gekks246:UL6.dtki bj/`gekks246:UL6.dtki  

Kntbsekbtoske

Kefologbgo÷` fn ib gekpesogo÷` quëkogb fn u`b regb per knfoe fn liuofes o`vbsoves

Kntbsekbtoske grëptoge

Kntbsekbtoske kefbi

Xnrkb`ngn` ies

Znnkpibzbkon`te

ko`nrbins fni s÷iofeko`nrbins seiugo÷` pnre dby gbkjoes n` ib gekpesogo÷`

tetbi fn ko`nrbins Ninkn`tes grnbfes per kntbsekbtoske= A, Vo, Bi, Zj, Jb, Wr, D, L, Gi y tonrrbs rbrbs

Ko`nrbins dëfroges grnbfes grnbfes per kntbsekbtoske= liecepotb, liecepotb, b`lëjei, bpbtote (ge`ton`n` ib kbyerëb fn ninkn`tes o`gekpbtojins) o`gekpbtojins)

 

Cn`nrbgo÷` fn Kbckb n` ni Kb`te Xnrofetëtoge Luso÷` pbrgobi n` nquoiojroe

Luso÷` pbrgobi lrbggoe`bfb

Cn`nrb u` lu`fofe qun nstâ n` nquoiojroe ge` ni rnsofue grostbio`e Fo÷psofe

Cn`nrb u` lu`fofe qun ns bosibfe o`knfobt o`knfobtbkn`tn bkn`tn fni rnsofue grostbio`e. grostbio`e. @e egurrn` rnbggoe`ns n`trn ni lu`fofe y ies grostbins.

Lu`fofe fn bite crbfe (78-68%) fn u`b regb lun`tn fn idnrzeiotb idnrzeiotb n` ni kb`te ge`ton`n ge`ton`n bitbs ge`gn`trbgoe`ns ge`gn`trb goe`ns fn eivo`e fosunite y se`

Idnrzeiotb

ae aekbtoot kbtootbs bs y pogrotbs (uitrbkâl (uitrbkâlogb) ogb) Lu`fofe o`ge`crun`tn

Wostnkb ns bjonrte @e ton`n knkerob, `e rncrnsb b I Znquonrn kbyer o`grnkn`te fn tnkpnrbturb

3%Rt/6%Rt/67%Foep/>:%N`st >%Rt/67%Foep/>:%N`st

Lerstnrotb

Gio`en`stbtotb

 

Lbgterns qun ge`treib` ib luso÷` pbrgobi Gbkjoes n` X

Fo÷psofe

Lerstnrotb

Jnstt (:887) Jns (:887)

Gio`en`stbtotb

 

Kbckbs prokbroes

Gekpesogo÷` quëkogb

Lu`fofes sncrncbfes fni kb`te pnrofetotoge nstâ` n` nquoiojroe ge` ni eivo`e, ge` birnfnfer fn ?8% lerstnrotb.

Lu`fofes prefugte fni kntbsekbtoske ge`ton`n` kâs Lbybiotb

 

:

2 6 7

Jnstt (:887) Jns (:887)

 

Jnstt (:887) Jns (:887)  

Iot÷slnrb Egnâ`ogb Zolt (Fersbi)

Osibs veigâ`ogbs

    b     g     b      o      i      ï     k     t      i     u     `      X     b      K

Ke`tn kbro`e

    b     s     e      L

Brge fn osibs bsegobfe b sujfuggo÷`

Gun`gb kbrco`bi fn rntre-brge

Guòb kb`tïiogb

Jnstt (:887) Jns (:887)

 

Vopes fn o`trusoe`n o`trusoe`nss  `tr `trusoe` usoe`ns ns sekn seknrr s Ibgeiote= o`trusoe`ns crb`fns qun prefugn` invb`tbkon`te invb`tbkon`te y pincbkon`te fn ibs regbs prn-nxostn`tns per n`gokb fn ib o`truso÷`.

Woie= o`trusoe`ns pnqunòbs (9>8 k fn nspnser) qun kunstrb` u`b rnibgo÷` ge`gerfb`tn ge` ibs regbs qun o`truyn. Cn`nrbikn` Cn`nr bikn`tn tn bikon`tbfes bikon`tbfes per foquns. Foqun= o`trusoe`ns pnqunòbs (9 :8 k fn b`gde) seknrbs qun kunstrb` u`b rnibgo÷` fosgerfb`tn ge` ibs regbs qun o`truyn

 

Vopes fn o`trusoe`n o`trusoe`nss  `tr `trusoe` usoe`ns ns prelu prelu`f `f s Xiute`ns= gunrpes o`trusoves crb`fns, fn gubiquonr lerkb qun o`truyn` regbs n` lerkb lerkb orrncuibr. orrncuibr.

Jbteiote= u`o÷` fn vbroes piute`ns pbrb lerkbr lerkbr gunrpes kâs kâs crb`fns. 288 Ak: fn ârnb nxpunstb.

Wtega= gunrpes kâs pnqunòes qun prejbjinkn`tn se` biokn`tbfes per jbteiotes jbteiotes kâs prelu`fes. Ies stega stegass punfn` dbjnr sofe biokn`tbferns fn nrupgoe`ns veigâ`ogbs.

 

Wnron fosge`to`ub  6

G

(Ln,Kc):WoE6

Wnron ge`to`ub Fnpn`fn fn ib gb`tofbf fn WoE: fospe`ojin

B`ertotb

Gb(Wo,Bi)7E4

(T,_)(Wo, Bi):E< Ibjrbferotb Gb-@b

A(Kc, Ln)7 BiWo7 A(Kc, E28(E (ED, D, L): Bijotb

@b(Wo,Bi)7E4 (ABiWo7E4) ABi:(BiWo7E28)(ED):

G

(WoE:)

Vekbfe ekbfe fn Vbrjug Vbrjuga a y Iutcn`s (:88>) (:88>)  

Ruoz 2.

Iostn ies lbgterns qun prefugn` luso÷` pbrgobi fni kb`te

:.

Ruï ns ib tnkpnrbturb fni seiofus

7.

Folnrn`gob n`trn stega y jbteiote