Ájá agha
Ájá agha bụ ájá nke ihe fọdụrụnụ nke mgbọ e ji mee ihe n'agha merụrụ. A chọtawo ụdị ájá a na Normandy, kemgbe mwakpo nke Normandy, n'etiti ebe ndị ọzọ.[1] N'afọ 1988, a chọpụtara na ájá dị na Omaha Beach nwere ihe ndị mmadụ mere na ugegbe nke sitere na shrapnel; pasentị anọ (4%) nke ájá dị n'ime ihe nnwale ahụ nwere ihe ndị dị n'etiti 0.06 milimita (0.0024 in) 1 mm (0.039 in).[2] Ndị na-eme nchọpụta chọpụtakwara obere ihe dị ka ígwè na ugegbe n'ime ájá, nke sitere na okpomọkụ siri ike nke mgbawa mgbọ na ikuku na ájá.[2][3]
Nkọwa nke ihe mejupụtara ya[dezie | dezie ebe o si]
N'afọ 2013, Dr. Earle McBride, onye nchọpụta na-amụ sandstone diagenesis na ederede na ihe mejupụtara nke ájá n'oge njem, ngwakọta ngwaele anakọtara site na mpaghara Omaha Beach n'afọ 1988 na nyakọrịta na-acha anụnụ anụnụ, na-emepụta "ájá aka", tupu ịkpụ ya n'ime akụkụ dị nro.[4][3] Site n'iji ngwa nyocha maịkroskop anya na isi iyi ìhè mpụga, enwere ike ịchọpụta mkpụrụ na-egbuke egbuke, nke na-adịghị ahụ anya. Ọ bụ ezie na ebili mmiri emeela ka a gbaa gburugburu n'akụkụ ụfọdụ ọka siri ike, akụkụ dị ka mkpụmkpụ na mbelata nke ma ọka siri ike na nke dị mma na-atụ aro na ọka ndị a bụ nke mmadụ mere.[3][2] Ekwenyere na ọ bụ elu microporous mepụtara n'oge mmepụta na mbelata ngwaahịa mgbe mgbawa gasịrị na-enyefe obi siri ike nke mkpụrụ a kwuru.[2]
Nnyocha a, tinyere ule na-ekpughe na ọka ahụ bụ magnetik, mere ka McBride kwubie na ọka ndị a bụ iberibe shrapnel.[3][2]
Ebensidee[dezie | dezie ebe o si]
- ↑ Microscopic Images of the Sands of Normandy Show Presence of War Sand. SciTech Daily (13 August 2012). Archived from the original on January 29, 2013. Retrieved on January 5, 2013.
- ↑ 2.0 2.1 2.2 2.3 2.4 McBride (September 2011). "Shrapnel in Omaha Beach sand". The Sedimentary Record 9 (3): 4–8. DOI:10.2110/sedred.2011.3.4. Kpọpụta njehie: Invalid
<ref>tag; name "SedRec" defined multiple times with different content - ↑ 3.0 3.1 3.2 3.3 The Geological Fingerprint of War. Texas Geosciences (March 16, 2012). Archived from the original on 6 June 2021. Retrieved on 25 May 2020.
- ↑ Researcher Profile: Earle F McBride. Texas Geosciences (n.d.). Archived from the original on 2 May 2020. Retrieved on 25 May 2020.