berggru nns k art - ngu.no · grasa ,elmn d,uc ald, y s a nodreylfpe ktnsaaiie t,rlg,,tørn no gyle...
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A A'
50
Beliggen het o g ka rtb la din n delin gLoc a tion a nd m a p sh eet index
T o po gra fisk grun n la g: S taten s K a rtverks N50 kartdataGeo detisk grun n la g / ka rtpro jeksjo n : EU REF89 / U T M-so n e 35Digita l kartpro duksjo n : Geo m a tikk, NGUPlo tteversjo n : Desem b er 2019
Geo lo giske ka rt o g da ta på in tern ett: www.n gu.n o
LANGRYGGEN2435-1
BERGGRU NNS K ARTBedro c k m ap
1:50.000
2019
Refera n se til dette ka rtet: S iedlec ka , A. & Ro b erts, D. 2019:Berggrun n ska rt LANGRYGGEN 2435-1, M 1:50 000.Norges geolog iske u ndersøkelse.
GEOLOGISKE LINJER OG SYMBOLERGEOLOGICAL LINES AND SYMBOLS
In ko n fo rm itet; regio n a l vin keldisko rda n s eller hiatusUnc onform ity; reg iona l a ng u la r disc orda nce or h ia tu sFo rka stn in g, sikker / usikker / to lket un der kvartære løsm asserFa u lt, certa in / u ncerta in / interpreted below qu a terna ry deposits
La gn in g, pla n ets heln in g er va n ligvis a n gitt (50° m o t NØ / ho riso n ta l)Bedding , dip is g enera lly indic a ted (50° towa rds NE / h orizonta l)
Pro fil A - A'P rofile A - A'
Fo ldea kse, stupn in g er va n ligvis a n gitt (5° m o t N / ho riso n ta l)Fold a xis, plu ng e is g enera lly indic a ted (5° towa rds N / h orizonta l)
Geo lo gisk ka rtla gt a v A. S iedlec ka o g S . S iedlec ki i perio den 1968-1974. S a m m en stilt so m et fo reløpig svart-hvit kartb la d a v A. S iedlec ka i 1984. S m å en drin ger på ka rtet to lket fra flyb ilder o g revisjo n a v tegn fo rklarin g a v D. Ro b erts o g A. S iedlec ka i 2017.Geolog y m a pped by A. Siedlecka a nd S. Siedlecki du ring th e period 1968-1974. Com piled a s a prelim ina ry b la c k-a nd-wh ite m a p-sh eet b y A. Siedlecka in 1984. Sm a ll c h a ng es to th e m a p interpreted from a eria l ph otog ra ph s a nd revision of th e legend by D. Rob erts a nd A. Siedlecka in 2017.
2 Det øverste leddet i S tá hpo gieddi-fo rm asjo n en , so m fører fo ssiler a v tidligka m b risk a lder, fo reko m m er ikke på dette kartb la det. Th e h ig h est m em ber of th e Stáh pog ieddi Form a tion, wh ic h h a s fossils of ea rly Ca m b ria n a g e, does not oc c u r on th is m a p-sh eet.3 Bergartsb eskrivelser hen tet fra n a b o ka rtb la d. Bedroc k desc riptions ta ken from neig h b ou ring m a p-sh eets.
Utvalg t litteraturSe le cte d re fe re nce sBevin s, R.E., Ro b in so n , D., Ga yer, R.A. & Allm a n , S . 1986: Lo w-gra de m eta m o rphism a n d its relatio n ship to thrust tecto n ic s in the Ca ledo n ides o f Fin n m a rk, No rth No rwa y. No rges geo lo giske un dersøkelse Bulletin 404, 33-44. Gjelsvik, T. 1998: Nye aspekter ved fo rho ld m ello m den b a ika lske o g den ka ledo n ske defo rm asjo n en o g dets b etydn in g fo r defo rm asjo n shisto rien i Baren tsha v-regio n en , b a sert på strukturgeo lo gisk kartleggin g, Vara n ger-ha lvøyen , Fin n m a rk, No rd-No rge. U pub lisert Ca n d. S c ien t. a vha n dlin g, U n iversitet i Bergen , 112 s. Herrevo ld, T., Ga b rielsen , R.H. & Ro b erts, D. 2009: S tructura l geo lo gy o f the so utheastern part o f the Tro llfjo rden -K o m a gelva Fa ult Z o n e, Vara n ger Pen in sula, Fin n m a rk, No rth No rwa y. No rwegia n Jo urn a l o f Geo lo gy 89, 305-325.Högström , A.E.S ., Jen sen , S ., Pa la c io s, T. & Eb b esta d, J.O.R. 2013: New in fo rm atio n o n the Edia c a ra n -Ca m b ria n tra n sitio n in the Vesterta n a Gro up, Fin n m a rk, n o rthern No rwa y, fro m tra c e fo ssils a n d o rga n ic -wa lled m ic ro fo ssils. No rwegia n Jo urn a l o f Geo lo gy 93, 95-106.Pic kerin g, K .T. 1981: T he K o n gsfjo rd Fo rm atio n – a late Prec a m b ria n sub m a rin e fa n in n o rth-east Fin n m a rk, No rth No rwa y. No rges geo lo giske un dersøkelse 367, 77-104.Ric e, A.H.N., Ga yer, R.A., Ro b in so n , D. & Bevin s, R.E. 1989: S trike-slip resto ratio n o f the Baren ts S ea Ca ledo n ides terra n e, Fin n m a rk, No rth No rwa y. T ec to n ic s 8, 247-264. Ro b erts, D. & S iedlec ka , A. 2012: Pro ven a n c e a n d sedim en t ro utin g o f Neo pro tero zo ic fo rm atio n s o n the Vara n ger, No rdkin n , Ryb a c hi a n d S redn i pen in sulas, No rth No rwa y a n d No rthwest Russia: a review. No rges geo lo giske un dersøkelse Bulletin 452, 1-19.S iedlec ka , A. 1972: K o n gsfjo rd Fo rm a tio n – a Late Prec a m b ria n flysc h sequen c e fro m the Vara n ger Pen in sula, Fin n m a rk. No rges geo lo giske un dersøkelse 278, 41-80.S iedlec ka , A. 1984: LANGRYGGEN, b erggrun n sgeo lo giske kart 2435-I M 1:50 000, fo reløpig utga ve. No rges geo lo giske un dersøkelse.S iedlec ka , A. & Edwards, M.B. 1980: Litho stratigraphy a n d sedim en tatio n o f the Riphea n Båsn ærin g Fo rm atio n , Vara n ger Pen in sula, No rth No rwa y. No rges geo lo giske un dersøkelse 355, 27-47.S iedlec ka , A. & Ro b erts, D. 1992: T he b edro c k geo lo gy o f Vara n ger Pen in sula, Fin n m a rk, No rth No rwa y: a n exc ursio n guide. No rges geo lo giske un dersøkelse, S pec ia l Pub lic a tio n 5, 45 s.S iedlec ka , A., Ro b erts, D. & Olsen , L. 1998: Geo lo gi på Vara n gerha lvøya: en o versikt m ed ekskursjo n sfo rsla g. No rges geo lo giske un dersøkelse Gråstein en 3, 121 s.S iedlec ki, S . 1980: Geo lo gisk kart o ver No rge, b erggrun n skart VADS Ø – M 1:250 000. No rges geo lo giske un dersøkelse.
LØSMASSER FR A KVAR TÆ R TIDENDEP OSITS OF QUATERNARY AGE
Løkvikfjellg ruppen, svakt om d anned e (episone) sed im entære berg arter av kryog en ald erLøkvikfje lle t Group, we a kly m e ta m orphose d (e pizone ) se dim e nta ry rocks of Cryog e nia n a g eSand fjord form asjonen (>2000 m )Sa ndfjorde n Form a tion (>2000 m )
Grus, sa n d, sla m , leireGra vel, sa nd, m u d, cla y
S a n dstein , feltspatrik, ro sa, lysegrøn n o g lysegrå, gro vko rn et, m ed skråsjiktn in g, stedvis m ed sm å b o ller a v kvarts o g ja spis, o g la g a v ko n glo m eratSa ndstone, feldspa th ic, pink, pa le-g reen a nd pa le-g rey, coa rse-g ra ined, with c ross-bedding , in pla ces with sm a ll peb b les of qu a rtz a nd ja sper, a nd beds of c ong lom era te
Tyvjofjellform asjonen (ca. 1500 m )Tyvjofje ll form a tion (c. 1500 m )
S a n dstein , rød eller ro sa grå, m iddels- til tykkla gdelt (10 c m – 1 m ) m ed skråsjiktn in g, i vekslin g m ed rød eller grøn n sla m stein o g gulgrå do lo m ittSa ndstone, red or pinkish -g rey, m ediu m - to th ic k-bedded (10 cm – 1 m) with c ross-bedding , interbedded with red or g reen m u dstone a nd yellow-g rey dolom ite
Skovikled d et (>1000 m )Skovika Me m b e r (>1000 m )
Båtsnæring form asjonen Båtsnæring e n Form a tion
Ánnejoh ka-led d et (100 - ca.300 m )Ánne johka Me m b e r (100 - c.300 m )
S a n dstein , m iddelsko rn et, i vekslin g m ed grå o g grågrøn n sla m stein , grå leirstein , gulgrå do lo m itt o g grå stro m a to littføren de ka lksteinSa ndstone, m ediu m -g ra ined, interb edded with g rey a nd g rey-g reen m u dstone, g rey cla ystone, yellow-g rey dolom ite a nd g rey strom a tolite-bea ring lim estone
Hestm anled d et (600 m )He stm a n Me m b e r (600 m )
S a n dstein , feltspatrik, rød, m iddels- til fin ko rn et, tykkla gdelt (30 c m – 1 m ), stedvis m ed skråsjiktn in g o g m ed en kelte la g a v ko n glo m eratSa ndstone, feldspa th ic, red, m ediu m - to fine-g ra ined, th ic k-bedded (30 cm – 1 m), in pla ces with c ross-bedding a nd with spora dic beds of c ong lom era te
Leirstein , skifrig, la m in ert, grågrøn n til svart, i vekslin g m ed tykkla gdelt (30 c m – 1 m ) grågrøn n sla m stein o g fin ko rn et sa n dstein ; stedvis m ed rødfargede la gSh a le, la m ina ted, g rey-g reen to b la c k, a lterna ting with th ic k-bedded (30 cm – 1 m) g rey-g reen m u dstone a nd fine-g ra ined sa ndstone; in pla ces beds with a red colora tion
Seg lod d led d et (350 m )Se g lodde n Me m b e r (350 m )
Næring selvled d et (1000-1200 m )Næring se lva Me m b e r (1000-1200 m )
Kong sfjord form asjonen (3500 m )Kong sfjord Form a tion (3500 m )
S a n dstein , feltspatrik, fin ko rn et, rød eller grøn n rød, i tykke (30 c m – 1 m ) la g m ed skråsjiktn in g, stedvis m ed tyn n e (3 – 10 c m ) la g a v rød sla m stein o g ko n glo m eratSa ndstone, feldspa th ic, fine-g ra ined, red or g reenish -red, in th ic k (30 cm – 1 m) beds with c ross-bedding , in pla ces with th in (3 – 10 cm ) beds of red m u dstone a nd cong lom era te
S la m stein , la m in ert, o g fin ko rn et sa n dstein , fo r det m este grågrøn n m en stedvis rødfarget o g i tykkere la g; strøm rifler o g a vsn ørte in n syn kn in gsstrukturer (b a ll-o g-pute-strukturer) er ga n ske utb redtMu dstone, la m ina ted, a nd fine-g ra ined sa ndstone, m ostly g rey-g reen b u t in pla ces red a nd in th ic ker beds; c u rrent ripples a nd b a ll-a nd-pillow stru c tu res a re qu ite com m on
S a n dstein , gråva kke, m ørkegrå, m ed gra dert la gn in g o g b ela stn in gs- o g kilea vtrykk, i vekslin g m ed tyn n e (3 – 10 c m ) la g a v sla m stein o g skifrig leirsteinSa ndstone, g reywa c ke, da rk-g rey, with g ra ded bedding , loa d c a sts a nd flu te c a sts, in a lterna tion with th in (3 – 10 cm ) beds of m u dstone a nd sh a le
Leirstein , skifrig, o g sla m stein , la m in ert, b lågrøn n m en rødlig i den n ederste delen a v leddet; la g m ed sla m stein til fin ko rn et sa n dstein in n eho lder strøm riflerSh a le a nd m u dstone, la m ina ted, b lu e-g reen b u t reddish in th e lower pa rts of th e mem ber; beds of m u dstone to fine-g ra ined sa ndstone displa y c u rrent ripples
Målesto kk / S c a le 1:50 0000 1 2 3 4 5km
Ekvidista n se / c o n to ur in terva ls: 20 m
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K o m a gelva Greteho laRyggfjellet La n gryggen
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Båtsfjord form asjonen (>1400 m )Båtsfjord Form a tion (>1400 m )
S a n dstein , rød, ro sa til lysegrå, i vekslin g m ed un dero rdn et rød sla m steinSa ndstone, red, pink to pa le-g rey, interbedded with su b ordina te red m u dstone
God keilled d et (>500 m )Godke ila Me m b e r (>500 m )
Stáh pog ied d i-form asjonenStáhpog ie ddi Form a tionInd reelvled d et (275 m ), ed iacara ald erIndre e lva Me m b e r (275 m ), Ediaca ra n
Lillevassled d et (ca. 60 m ), ed iacara ald erLille va nne t Me m b e r (c. 60 m ), Ediaca ra n
S a n dstein , m iddels- til gro vko rn et, grå til m ørkegrå, sm åb o llet ko n glo m erat ved b un n en a v leddetSa ndstone, m ediu m - to coa rse-g ra ined, g rey to da rk-g rey, sm a ll-peb b le cong lom era te a t th e b a se of th e mem ber
Mortensnesform asjonen, ed iacara ald erMorte nsne s Form a tion, Ediaca ra n
T illitt, ko n glo m era t, grun n m a sseb året, grågrøn n eller fio lett; grun n m a ssen b estår a v sa n d o g sla m , b o llen e ho vedsa kelig a v gra n itt, gn eis, do lo m itt o g kiselsteinTillite, cong lom era te, m a trix-su pported, g rey-g reen or violet; th e m a trix consists of sa nd a nd m u d, th e cla sts m a inly of g ra nite, g neiss, dolom ite a nd c h ert
Hakŋalančearru-form asjonen (200 m )Ha kŋa la nče a rru Form a tion (200 m )
K va rtsitt, hvit til lysegrå, m iddels- til tykkla gdelt (10 c m – 1 m )Qu a rtzite, wh ite to pa le-g rey, m ediu m - to th ic k-bedded (10 cm – 1 m)
Vág g i-form asjonen (80m )Vág g i Form a tion (80 m )
S la m stein o g sa n dig leirstein , skifrig, gråb run , o g fin ko rn et, tyn n la gdelt (3 – 10 c m ) grå sa n dstein m ed b ølgesla gsm erker, tørkesprekker o g spo rfo ssilerMu dstone a nd a rena ceou s sh a le, g reyish -b rown, a nd fine-g ra ined, th in-bedded (3 – 10 cm ) g rey sa ndstone with ripple m a rks, desic c a tion c ra c ks a nd tra ce fossils
Giem aš-form asjonen (280-300 m )Gie m a š Form a tion (280-300 m )
S a n dstein , kvartsitt, ro sa til rødb run , m iddelsko rn et, m iddels- til tykkla gdelt (10 c m – 1 m ), på flere steder m ed skråsjiktn in gSa ndstone, qu a rtzite, pink to red-b rown, m ediu m -g ra ined, mediu m - to th ic k-bedded (10 cm – 1 m), in m a ny pla ces with c ross-bedding
Dáh kočearru-form asjonen (270-350 m ) – bare i profilet3Dáhkoče a rru Form ation (270-350 m ) – only in the profile 3
Øvre ledd (130 m ): sa n dstein , kvartsittisk, grå til rødb run , jern ho ldig. U n dre ledd (140 m ): rødb run jern ho ldig sa n dstein i vekslin g m ed sla m - o g skifrig leirstein ; b run e jern rike flekker er va n ligUpper m em b er (130 m ): sa ndstone, qu a rtzitic, g rey to red-b rown, iron-ric h . Lower mem ber (140 m): red-b rown ferru g inou s sa ndstone a lterna ting with m u dstone a nd sh a le; b rown iron-ric h spots a re com m on S a n dstein , kvartsaren itt, kva rtsittisk m en feltspatføren de, lysegrå, stedvis m ed b run e jern ho ldige flekkerSa ndstone, qu a rtz a renite, qu a rtzitic b u t feldspa r-b ea ring , pa le-g rey, in pla ces with b rown iron-ric h spots
Bergartsgren se, sikker / usikker / svært usikker plasserin gLith olog ic a l b ou nda ry, certa in / u ncerta in / very u ncerta in loc a tion?
Go dkjen t 16.12.19 a v K a rtko m iteen (ved An n a K sien zyk), La get fo r fastfjellsgeo lo gi.
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Langryggen2435-1
Syltefjord2436-2
Skipskjølen2435-4
Ekkerøy2435-2
Båtsfjord2436-3
Vadsø2435-3
Vardø2535-4
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BER GAR TER OMDANNET OG DEFOR MER T FØR ST UNDER DEN TIMANSKE OG SENER E UNDER DEN KALEDONSKE FJELLKJEDEDANNELSEN1 ROCKS METAMORP HOSED AND DEFORMED FIRST DURING THE TIMANIAN AND LATER DURING THE CALEDONIAN OROGENY1
Barentsh avsg ruppen, svakt om d anned e (episone) sed im entære berg arter av neoproterozoisk (ton - kryog en) ald erBa re nts Se a Group, we a kly m e ta m orphose d (e pizone ) se dim e nta ry rocks of Ne oprote rozoic (Tonia n - Cryog e nia n) a g e
Kortskjøvne berg arterP a ra utochthonous rocksVestertanag ruppen, m eg et svakt om d anned e (d iag enese til anc h isone) sed im entære berg arter av ed iac ara til tid lig kam brisk ald er2 Ve ste rta na Group, ve ry we a kly m e ta m orphose d (dia g e ne sis to a nchizone ) se dim e nta ry rocks of Ediaca ra n to e a rly Ca m b ria n a g e 2
Tanafjord g ruppen, m eg et svakt om d anned e (d iag enese) sed im entære berg arter av kryog en ald erTa na fjorde n Group, ve ry we a kly m e ta m orphose d (dia g e ne sis) se dim e nta ry rocks of Cryog e nia n a g e
1 Bergarten e b le sva kt o m da n n et un der b åde den tim a n ske o g den ka ledo n ske fjellkjededa n n elsen . Bergarten e n o rd fo r Tro llfjo rd-K o m a gelvfo rkastn in gsso n en b le o gså sidelen gs fo rkastet (ved dekstra l b evegelse) i ka ledo n sk tid. Th e roc ks were wea kly m eta m orph osed a nd deform ed du ring b oth th e Tim a nia n a nd th e Ca ledonia n orog eny. Roc ks north of th e Trollfjorden-Kom a g elva Fa u lt Zone were a lso strike-slip fa u lted (by dextra l displa cem ent) du ring Ca ledonia n tim e.
Fo ssilfin n ested (stro m ato litter)Fossil loc a lity (strom a tolites)
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Tro llfjo rd-K o m a gelvfo rka stn in gsso n en (T K FS ), sikker / to lket un der kvartære løsm asserTrollfjorden-Kom a g elva Fa u lt Zone (TKFS), certa in / interpreted below qu a terna ry deposits
T K FS
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Und re d ekkeserieLowe r Allochthon
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J J Min dre skyvefo rkastn in g, sikker / to lket un der kvartære løsm asserMinor th ru st fa u lt, certa in / interpreted below qu a terna ry depositsJ J
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