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Dhagaxyada iyo Macdanta

Dhagaxyada iyo macdan - waa wax a xarunta gaar ah la xirrira qolof dhulka ee. All jirkooda adag ee caalamka iyo meerayaasha ee nooc ka mid ah dhulka soo sameeyey dhagaxyada. Sida caadiga ah weedha ah "dhagax weyn" waa ka sii ballaadhan tahay erayga "macdanta", tan iyo markii hore ka kooban yihiin noocyo kala duwan oo ah macdanta. All dhagaxyada kala duwanaan karaan in texture iyo qaab-dhismeedka.

Texture - qof qaraabo ah meel gaar ah si kasta macdano kale, ay qaybinta si gaar ah. Tusaale ahaan, marka aysan jirin amar in this aan arkay, waxa la yidhaahdaa waa dhisme weyn. Cuneen qadiimiga ah ayaa sheegay inay dhiraandhiriyeen qaar ka mid ah lakabka gaar ah, waxaa loola jeedaa in in this deegaanka heshiis juquraafi israac dhagaxyada (dhagaxyada iyo macdan) aan la qaso, iyo superimposed on midba midka kale.

In dabiiciga ah, waxaa jira meelo aad u qurux badan mucjisada ah - waa godad dhulka hoostiisa labada waaweyn iyo kuwo yaryar. Sidaas daraaddeed, formation xumbo ay dhacdaa dhagaxa - hulalka sida tegey gaasas dhulka ka sii daayay. dhagax weyn A Shale? Waxa ay u muuqataa tani in jeex oo kaliya heer sare ah! jeex Tan waxaa lagu midab leh karaa marka macdanta noqon qaab guri oo la kordhiyo oo isku jiho ah.

Qoondaynta dhagaxyada asal ahaan ku salaysan saddex xuduudaheedu:

1. sirdoonka Primary - waxay yihiin igneous.

2. sirdoonka Secondary - waxay yihiin ku aasan.

3. dhagaxyada Metamorphic - ay weli la yiraahdo bedeli karaa.
dhagaxyada Igneous iyo macdanta loo sameeyay by solidification of magma in gaadhay dusha sare. Maxaa yeelay, tiro ka mid ah qaar ka mid ah xaaladaha joogto ah la beddelo heerkulka iyo duwan deegaanka dhagaxyada leh guryaha iyo qaab-dhismeedka kala duwan la sameeyey. dhagaxyada Igneous kala qaybsan yihiin effusive oo qoto dheer. Arintaan waxay leeyihiin xoog weyn oo dhisme crystal cufan. The wakiillo ugu caansan noocan ah dhagaxa weyn waa basalt iyo dhagax adag.

dhagaxyadii ku aasan la sameeyey sarkhaansan arrimood dibadda sida isbedelka heerkulka, bii'adda dibedda - roob, baraf, shucaaca qoraxda iyo gaasaska atmosfeerta. dhagaxyada aasan kala qaybsan yihiin organogenic, kiimikada iyo dabacsan.
dhagaxyada Metamorphic iyo macdanta loo sameeyay ay sabab u tahay isbeddel ah ee qaab-dhismeedka oogada dhulka ee. Tani waxay dhacdaa inta lagu jiro dhulgariir, gelinba of qolof ah dhulka ee. Xaaladdan oo kale lakabyada kala duwan yihiin eyda iyo noocyo isku dhafan - labada aasan iyo igneous.
ka Laatiin ee la turjumay, macdanta ( "qode") micnaheedu waa "ore". Halabuurka The oo ah macdanta - waa xubno ka kiimikada in loo sameeyay in geeddi socodka jirka iyo kiimikada kala duwan ee dhismaha. Macdanta - waxaa si dabiici ah ka dhaca walxaha crystalline. Laakiin qaabka Quruurado ah ma wada macdanta.

Qoondaynta asal ahaan macdanta ku saleysan qeybinta aasaasiga ah gelin hoose iyo kuwa sare. hoose ayaa waxaa ka mid ah kuwa lagu sameeyay inta lagu guda jiro crystallization of magma ah. macdanta noocan oo kale ah waxaa ka mid ah Miikaa, silica iyo baaruud. macdanta Secondary sameeyay vivo markii loo feydo arrimo kala duwan dibadda. Tani waxay noqon kartaa soo dadajin ah xal biyo cusbo leh cimilada iyo halligaad weyn ee macdan ama harta kala duwan hawlaha muhiimka ah ee noolaha. macdanta noocan oo kale ah waxaa ka mid ah milix caadi ah, sylvite iyo gypsum.

Sida ay Halabuurka kiimikada ee macdanta waxay noqon kartaa hooyo (dahab, dheemman, platina, copper), tayadda (copper ore, ore mercury, lead), halides (cusbo potassium iyo dhagax), oxides (aasaasay by gaadhista oxygen: hematite, quartz, iron ore) , carbonates (malachite, marmar ah), sulfate (gypsum waxaa loola jeedaa iyagii ku yidhi), phosphate (apatite), silicate (chrysotile, rusheyn kartaa, Miikaa).

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