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".Gendron, Francois and Jean-Baptiste de Recoles Quelques Particularitez Du Pays Des Hurons En La Nouvelle France, 1660, p7-8

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..   [citation needed]

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.

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