Into ye-Earth ilungu elibalulekile lezinsimbi ezisemqoka. Isitholiso somhlaba saseChina esivamile saseChina siphakeme futhi sivela ikakhulu eBaiyun Obo, idiphozithi evamile yomhlaba engavamile kakhulu emhlabeni. Kodwa-ke, ngenxa yezingqinamba zezinjongo zokuhlola amayini, ubuchwepheshe bokuhlola emhlabeni, ubuchwepheshe bokuhlola, kube nokuqonda okuhlukile kwendlela yabo yokuvusa insimbi enkulu, izinsiza ezingaba khona, ezivimbela ukusetshenziswa kwezinsizakusebenza ezisebenzayo. Ukuze ucacise indlela yokwakheka kwe-Bayan Obo Deposice futhi uhlole izinsiza ezingaba khona zomhlaba ezingandile, i-geophysics ye-Chinese Academy of Science Deplounced Geologies kanye ne-Insimbi ye-Chinese ukufeza imephu ye-1: 5000 yemvelo yendawo, indlela ehlukahlukene kanye ne-Multi-Scale ebanzi Ucwaningo lwe-Geophysical kanye nocwaningo lweMetallogenic eBayan Obo. Ngocwaningo oluhlanganyelwe lwe-geology, i-geochemistry, i-geophysics nezinye iziyalo ze-bayan obo Carbonatite Magma yembuliwe, isimo sokwenza izikhombisi se-carbonatite kanye nezinto zomhlaba ezinemibala ebekiwe ziye zakhiwa kabusha. (1) Indawo yeBaixolobo ithole ukunyakaza kwama-tectonic amaningi. Ngaphambi kokufakwa kwamatshe amadwala e-carbonate, amadwala ase-proterozoic aphakathi nendawo (i-baiyonebo group quartz sandstone, ukuhlangana, isilayidi, njll.) Endaweni yezokumbiwa kwezokwenza ikhekhe lekhekhe lesifunda, bese kuthi i-strata evundlile iye yathathelwa indawo lapho kusungulwa i-EW Trending ne-Ew I-Tectonic Schitetioty inikeza isiteshi esihle sokukhulelwa kwe-magma ye-carbonated yeminyaka engu-1,3 billion (Fig. 1). Ukusatshalaliswa, Isivumelwano Nobudlelwano phakathi kokuqala nokufika sekwephuzile kwamatshe edidayo eqembu eliphakathi neProterozoic Baiyunebo eqoqweni lezimayini kudingeka ahlolwe kabusha.
Fig. 1 Umlando wokuthuthuka kanye ne-carbonatite eflaced ye-mesoproterozoic Bayan Obo Basin
. I-Carbonate Rock iyidwala labazali le-Rare Earth Mineralization kanye nomzimba we-Ore Worth Ore. Ukuqongelelwa kwezinsimbi ezinkulu eBayan Obo kwenzeka eminyakeni engu-1,3 billion. I-Carbic Magma inenkambiso yokuziphendukela kwemvelo kusuka ku-Iron-Magnesium-Calcium, kanye nezinto zomhlaba ezingandile emadwaleni e-carbonate eziteshini ezahlukene, ikakhulukazi izinto zomhlaba ezivamile, zibonisa umkhuba wokucebisa kancane kancane. Ngemuva kokwakheka kwediphozi, kuguqulwa okubili eminyakeni emibili ye-paleozoic (450 ~ 400 million million) kanye ne-paleozoic esele paleozoic (280 ~ 260) ngokulandelana. Inqubo yenguquko iholele ekusebenzeni komhlaba ongavamile nokwakhiwa kwamaminerali amasha, kepha kwakungekho okusobala komhlaba ongavamile.
. I-ore enkulu ne-est are yizindawo eziphambili zokusatshalaliswa komzimba kazibuthe. I-ore enkulu ne-east ore zixhunyiwe ezindaweni zokusatshalaliswa kwe-carbonate rock, kanye nokujula kwentuthuko yamadwala e-carbonate kukhulu. Umzimba ophakeme we-magnetic anomaly kanye nomzimba ophansi wokuphikisana ne-anomaly uveze ukusatshalaliswa okwenziwe ngezintathu kwe-Carbonate Rock (Umzimba Ore) (Fig. 2). I-carbonatite eBayan Obo ine-emplacement Center futhi ijabulele isiteshi esifanayo se-magma engxenyeni ejulile. Isikhungo sitholakala phakathi kwe-ore ephambili ne-ore empumalanga. Ngemuva kokufakwa kwe-magma ye-carbonated, amasosha amade asuswe esikhundleni sesakhiwo sokuqala adonswa entshonalanga (entshonalanga mine) nasempumalanga (i-huahua) ngokulandelana, futhi ukuhlanganisa nokuhlangana kungenzeka (Fic. 3).
Fig. 3 Imodeli yokusatshalaliswa kwe-Spatial yeCarbonatite efomeyini ye-BaiYobo
. Ngokusekelwe kuhlu lokusatshalaliswa okutholwe, ivolumu kanye (nobuncane) ubuningi be-carbonate rock mass (umzimba we-are yomhlaba ongavamile), futhi kulinganiselwa ukuthi i-Conservative Earth Earth Areas e-Baiyunebo averatide e-333 million areas e-333 million, okucishe kube izikhathi eziyi-10 zamanje Amathani eBaiyunebo, izinsiza ezisanda kukhishwa zomhlaba wonke ezifakazelwe izinsiza zomhlaba ezingandile (kufaka phakathi i-Bayan Obo) ngu-United States Geological Survey angama-2.78 amathani ayizigidi eziyi-128.
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Isikhathi sePosi: Mar-02-2023