Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Akwai yankuna biyu na geologically daban-daban a kan Mercury. A hankali, tuddai masu tuddai a yankuna tsakanin ramuka sune tsofaffin fuskokin Mercury da ake gani, waɗanda suka riga ƙasa mai yawa. Waɗannan filayen tsakanin-crater sun bayyana sun shafe yawancin ramin da suka gabata, kuma suna nuna ƙarancin ƙananan ƙarancin ƙasa da kusan kilomita 30 a diamita. Filayen santsi wurare ne masu faɗi waɗanda ke cika ɓacin rai masu girma dabam dabam kuma suna da kamanceceniya da maria na wata. Musamman, sun cika babban zobe da ke kewaye da Caloris Basin. Ba kamar maria na wata ba, filayen Mercury masu santsi suna da albedo iri ɗaya kamar tsofaffin filayen inter-crater. Duk da rashin bayyanannun halayen dutsen mai fitad da wuta, wurin da zagaye, siffar lobate na waɗannan filayen suna tallafawa asalin dutsen mai fitad da wuta. Dukkanin filayen Mercury sun kasance da yawa daga baya fiye da kwarin Caloris, kamar yadda aka nuna ta ƙarancin ƙarancin crater fiye da na Caloris ejecta bargo. Ƙarƙashin Caloris Basin an cika shi da wani yanki na geologically daban-daban, wanda aka rushe ta hanyar ridges da fractures a cikin wani nau'i mai nau'i mai nau'i. Ba a bayyana ba idan sun kasance lava na dutsen mai fitad da wuta wanda tasirin ya haifar, ko kuma babban shafi na tasirin narkewa.  Tambaya: Wace duniya ce ke da yankuna biyu na filayen da suka bambanta?
Mercury