Mchere Leningrad dera: mwachangu akubera ndi oyembekezera

Area, likulu la chimene chiri Saint Petersburg, zimakhalanso wolemera mu mchere. madipoziti kwambiri m'dera limeneli akhala amadziŵika, unpromising ndi opanda pake gawo ndisanabadwe pa siteji kuyambirira, koma nzeru ndi mwachangu kukhala molakwika.

General maonekedwe a m'dera

gawo ili kwathunthu pa East European (Russian) Plain. The chimbuzi cha ngakhale kufika mamita mazana atatu pamwamba pa nyanja. Kuti lathyathyathya chikhalidwe cha mpumulo nalongosola kuti miyalayo mchere wa dera Leningrad ali pafupifupi kwina. Koma pali sanali zachitsulo, ambiri mwa ankagwiritsa ntchito yomanga. Dera ndi yaikulu ndi bwino anayamba mtsinje network pano pafupifupi zikwi ziwiri nyanja, kuphatikizapo yaikulu mu Europe - Ladoga.

m'dera ili mu zone nayonso, kotero wolemera m'nkhalango (coniferous ndi kusakaniza mu kumpoto chakum'mwera), zomwe zatenga oposa theka pa deralo. A mbali yaikulu ya malo chinyontho. Koma sanaleke pafupifupi okwana kuphunzira m'dera kupezeka kwa m'matangadza wa chuma mchere. Map mchere Leningrad derali anapereka m'munsimu.

Kupezeka kwa mchere

Kuyambira kuzindikiridwa m'chigawo cha mitundu twente-sikisi miyala mchere kunyamula asanu okha. Pankhaniyi, oposa mazana asanu prospected madipoziti, koma ntchito ndi peresenti makumi awiri. Mchere Leningrad dera kugwirizana ndi tectonics - gawo ili pamphambano ya nyumba tectonic. Choncho, mbali ya kumpoto madipoziti wolemera zipangizo olimba nyumba - lubwe, mwala, miyala, mchenga. zigawo Wamphamvu matope kum'mwera ali phosphates ndi mafuta shale, bauxite, miyala ndi dolomite. Zayamba uniformly anagawira pa malo lonse la madipoziti peat, mchenga, dongo. M'dera madzi a Gulf wa Finland chimagwirizanitsa madipoziti ka chitsulo manganese miyala. Komanso, m'munda pali magwero angapo radon ndi mchere spa madzi.

mchere kwathunthu katswiri

Malinga ndi mlingo wa chitukuko cha madipoziti ayenera kukhala magulu angapo amene amapanga mchere wa dera Leningrad. Mndandanda ayenera kuyamba ndi mchere kwathunthu anaphatikizana, monga shale, phosphate ndi bauxite.

Udindo lalikulu ntchito mafakitale wapatsidwa bauxite. Nthawi miyala pafupi Boksitogorsk osaya, kotero kupanga ikuchitika makamaka mwa njira yotseguka. M'zigawo za shale pafupi ndi tauni ya dzina mmenenso njira migodi, chifukwa akuya asayembekezere kuti meters mazana atatu. zipangizo Phosphorite yaiwisi ncho padziko Kingisepp.

chitukuko tsankho

Pang'ono anaphatikizana mchere - izi ndi za mitundu yosiyana zomangira. Mchere Leningrad dera wolemera lubwe, miyala, zomangamanga ndi mchenga n'kupanga, njerwa ndi refractory dongo. Miyalayo ndi ncho kumpoto kwa Karelian kamtunda kopita ku chilumba lotseguka njira.

Ambiri madipoziti anajambulapo wolemera ili la kum'mawa derali. Magwero chachikulu cha madzi mchere - mpweya woipa (mwachindunji ku Saint-Petersburg), sulfure (za Sablino) ndipo sodium kolorayidi (pafupi Sestroretsk). A ambiri madambo maziko a pamaso pa madipoziti peat pamlingo mafakitale. ntchito malo - makampani mafuta ndi ulimi - posachedwapa kugwiritsa zipangizo zina. Choncho nkhokwe peat zili paliponse, koma makamaka kum'mwera ndi kum'mawa, pafupifupi sanakhaleko.

migodi golide

m'dera si olemera pamaso pa madipoziti wodzaza ndi golide, komatu pamaso golide munda. Kwenikweni, zitsulo opezeka miyala ya mchere monga miyala ndipo sanali miyala. Koma kukhalapo kwake ndi m'malo patalipatali zinthu zimenezi. Choncho, kupanga golide m'dera Leningrad ananena wopanda pake ndi njira mafakitale si maphunziro. Koma ndi chidwi artisanal migodi ankachita masewera.

inawo makamaka anayamba m'madera zakale chitukuko mafakitale chuma mchere kuti panopa popeza molakwika. Komanso osati kukhala diamondi ncho, ngakhale diamondi mipope zochepa m'chigawo alipo.

ziyembekezo

Palinso mchere wa Region Leningrad, miyala ya omwe zambiri osati nawo ntchito. Zikuphatikizapo miyala ya dolomite, utoto mchere, quartzite ndi dongo. Komanso, tikukonza zina za mitundu ya mchere, miyala ya zimene zimapezeka m'derali. Izi magnetite miyala, si akakhala ndi miyala ya mtengo, mafuta, mafuta ndi phula.