Erie Stone

Erie Stones ma ọ bụ pierres Erienes bụ nkume eji eme ọgwụ ọdịnala nke Mba Mbụ (Native American). Francois Gendron, [1] dọkịta na-awa French Jesuit na Sainte-Marie n'etiti ndị Huron mission, nke mbụ kọwara ojiji ya na 1640s na akwụkwọ ozi e mesịrị bipụtara na 1660. Gendron kọwara isi mmalite nke nkume ndị a dị ka isi nke Niagara Falls na na otu ndị American American obodo biri n'ebe ahụ ma na-erere ihe a na obodo ndị ọzọ nke Mbụ Mba. A na-ekwu na mmanụ a na-esi na nkume a na-emepụta na-enyere aka ịgwọ ọrịa "ọnya, fistulas na ọnya ọjọọ".

Kpọmkwem ihe nkume ahụ bụ nke e ji mee mmanụ a na-esi na ya ghe oghe maka arụmụka kemgbe Gendron buru ụzọ kọwaa ya. Ọ kọwara nkume ahụ dị ka nnu na-acha odo odo nke e si na petrification nke ụfụfụ kpụrụ n'ụkwụ Niagara Falls.[1] A na-enwekwa arụmụka n'etiti ndị ọkọ akụkọ ihe mere eme ma ọ gara ebe ahụ n'ezie ịnakọta ihe atụ ma ọ bụ na o nyere ha na nkọwa nke ebe ha nọ site n'aka ndị ahịa America..   

Jury na Jury kọwara nkọwa Gendron dị ka ịkọwa calcareous Tufa, nkume nke mmiri ozuzo sitere na nnukwu nkume limestone. Hunter, Otú ọ dị, chọpụtara ya na Aragonite, ụdị kristal nke calcium carbonate, na itinye magnesium sulphate na calcium sulphate. Hunter nwere ike ịnakọta samples site n'okpuru Niagara Falls na 1982. Dị ka o si kwuo, mineral na-emepụta site na mmiri ozuzo nke acidic site na mmepụta limestone na ndagwurugwu Niagara, ọkachasị mmepụta dolomite dị nso n'elu Niagara Escarpment. Mmiri a na-eme ka mineral carbonate gbazee na dolomite na-agbanwe ha ka ha bụrụ ụdị bicarbonate. N'okpuru dolomite, mmiri na-asọ asọ anaghị agafe Rochester Shale na-eme ka ọ na-asọ n'ala ma na-apụta ma na-agbadata n'ihu nkume nke ndagwurugwu ahụ. Ụfọdụ n'ime mmiri a na-apụ n'anya na-ahapụ okpokoro calcium carbonate na Aragonite n'ihu nkume. N'ebe ụfọdụ, nchịkọta ahụ abụghị ihe karịrị ihe nkiri dị nro mana n'ebe ndị ọzọ ọ na-ekwu na ọ nwere ike ịbụ sentimita anọ ma ọ bụ ise n'obosara.