Baltic Shield: landform, isakhiwo zomhlaba namaminerali

isihlangu Baltic ebizwa ngokuthi dobaykalskaya esifundeni endala enamandla eligoqiwe Alps. Ngesikhathi umsebenzi khona liyophuma kancane kancane ngaphezu kogu lolwandle. Baltic Isihlangu othambekele ukuguguleka kwenhlabathi. ImiBhalo yembula zone ekujuleni ibhande egwadle gneiss ka ungqimba lomhlaba.

isihlangu Indawo

Massive ithumba projection we expanses enyakatho ntshonalanga yesikhulumi East European. Nabo side by side isakhiwo Caledonia-eScandinavia. Zanyukela ku crystalline amatshe endaweni eligoqiwe.

Karelia, Finland, Sweden, eNhlonhlweni Yase-Kola ihlanganisa aseBaltic Shield. I protrusion ezinkulu uyagijima Murmansk naseLeningrad esifundeni. Athatha bacishe bayifunda yonke Peninsula zaseScandinavia.

landforms

Ngaphansi kwethonya glaciations kwakhiwa impumuzo panel. Amachibi amaningi kuthiwa nokuntula emazombezombe emikhawulweni. Basuke ukusika ezweni, ukwakha amatheku eziningi futhi iziqhingi. Umbuso wasenyakatho ingxenye ephakamisa ezifincizekile ezifana nezimpiko kwakhiwa kusukela schists lasendulo namadwala igneous. Izinhlaka ukuza ebusweni yonke indawo. Ziyakwazi kuphela kwezinye izindawo ukumboza raincoats buthaka inhlabathi eziNgekho ngaPhansi kukaHulumeni.

Crystalline Baltic Isihlangu engamboziwe amanzi olwandle Lower Paleozoic inkathi, ngenxa okuyinto yabekwa ekubhujisweni. emphethweni ngayinyomfoza ngayiphosa nge isakhiwo eziyinkimbinkimbi yazuza ubulukhuni ngokweqile futhi brittleness. Ngakho-ke, uma lo kuqweqwe nhlobonhlobo, kwabonakala imifantu, kuba indawo ukwa. Lesitshalo uyachitheka, ukwakha amabhlogo okukhulu.

Umfanekiso oqoshiwe Platform Russian

Izinguzunga Zeqhwa Zase-, beya phansi kwemithambeka zezintaba zaseScandinavia, ukubhubhisa crystalline engaphansi rocks Uzithukululile sikhuthazele ngale yesikhulumi Russian. isakhiwo Stuffed, baba, kwakhiwa moraine.

Ukuqeda isikhathi yeqhwa eside ngamandla bamhlohla aseBaltic Shield. Ifomu wokukhululeka phezu onqenqemeni atholwe ukuma accumulative. Le ndawo eligoqiwe uvele eskers, drumlins, nokunye.

Relief Karelo- block Kola

Kola Peninsula futhi Karelia yakhiwa ngamatshe, cishe non-razmyvam. Ziyakwazi ungenakonakala amanzi. Nakuba imifula wendawo libhekene emifula obuningi, abakwazanga ukuthuthukisa wezigodi. Ezinamatshe eziphansi emifuleni onezinto lapha Rapids nezimpophoma. Amanzi izikhukhula ayimigodi eziningi kwakheka kwi eligoqiwe ephakamisa echibini.

Impumuzo kule ngxenye ibhodi non-iyunifomu. ENhlonhlweni Kola eqhubeka entshonalanga entabeni ibhande, lapho ububanzi phakathi kuyinto ukucindezeleka ezinkulu. Eminyakeni Khibiny tundras futhi Lavozerskimi ikhuphuka aphakeme entabeni yeziqongo.

Uhlangothi olusempumalanga, inhlonhlo ye-kuthatha slaboholmistoe ithafa ukulengiswa phezu amanzi olwandle Bagretsovogo. Lokhu egqumeni elincane okuhlanganisiwe ne elisezansi Framed White Sea.

Esifundeni Karelia has a isici landscape Baltic Shield. Landform eligoqiwe endaweni okwamanje denutatsionno-zomhlaba. uqweqwe eMhlabeni is kakhulu aqhephukile. Ayimigodi, okuyizinto emaxhaphozini iyona kanye amachibi eyayihambisana emikhulu enamadwala namagquma.

Vala Finland welulela amagquma Maanselkya. Indawo yayo is kakhulu dissected. On the eligoqiwe ephakamisa emhlabeni lodumo sezwe glacial, accumulative futhi ekzaratsionnyh ukucupha. I Baltic Isihlangu ligcwele amakhanda semvu, amadwala amakhulu, eskers, moraine emikhulu nezigodi.

sici geological

Eligoqiwe ephakamisa geosegmenta ihlukaniswe ezintathu: Karelian-Kola, Svecofennian futhi Sweco-Norwegian. ERussia cishe ngokuphelele iyona Karelian-Kola esifundeni nezindawo eningizimu-asempumalanga block Svecofennian.

Isakhiwo Geological ka Karelian-Kola ingxenye akanjalo endaweni White Sea, libhekene ukuthuthukiswa olunzulu Proterozoic zokwakheka. Lokhu kungenxa izimbangela ezintathu: okuqondene emabhuloki lehlukene Geosyncline, ekuthuthukiseni zomlando kuhluka ukuguguleka ukujula tincetu. Karelo- Kola ingxenye ngokungafani block Belomorian namandla ivinjelwe.

Isici esivamile se-isakhiwo zomhlaba zingxenye ungaphakathi elula enyakatho-ntshonalanga izindawo. Izakhiwo ezakhiwe ngamatshe emphethweni, ngezinye izikhathi kuphela abavuma hlanhlatha isiqondiso Meridian noma latitudinal.

Izakhiwo kanye emphethweni, waphula like fan uya eningizimu-mpumalanga, bukhomba ntshonalanga. Minerals zofuzo exhumene ne igneous lasendulo namadwala metamorphic kwakhiwa Baltic Shield. isakhiwo Tectonic kanye imingcele izingxenye zesifunda ethulwa waphuka ezijulile.

Ngaphansi kokulawula ezidabula kuyinto indawo Precambrian izakhiwo awayiphazamisi futhi metallogeny yabo. Kuzala zihlelwe ngamaqembu amagatsha, edlulisela enyakatho-ntshonalanga. Ziyakwazi parallel izindawo ezivamile okuvela Precambrian izakhiwo umonakalo omkhulu kakhulu.

idiphozi

ezifakwa Rich of the aseBaltic Shield. Mineral izinsiza zabiwa phezu ibhande. Ngokukhethekile okuqhamile ku bobathathu. Esikhathini Imbali zone we Kola Peninsula ezifihlakele zethusi-nickel imikhando. Ngezenzo wafunda Vetrenyi Belt isakhiwo ngokuvumelana Karelian ngobuso futhi Arkhangel'skii amazwe. Ngo Karelian-Kola ingxenye izikhathi ezithakazelisayo quartzites ferruginous, schists, kyanite futhi pegmatites ahlukahlukene. Cluster imishini yokusaha izingodo kushintshwe lithologic futhi stratigraphic futhi izici kwesakhiwo zomhlaba.