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[3] viXra:2203.0167 [pdf] replaced on 2022-05-21 02:48:31
Authors: Harry K. Hahn
Comments: 31 pages, 84 images, 56 diagrams
This is a summary of the Raman-spectroscopic analysis a of rock-samples which I have collected near the Ø 20 x 15 km “Tejeda Impact Crater“ on Gran Canaria, and on other interesting sites on the Island. Some of the analysed feldspar-samples may show Raman-spectra which indicate (W)-weakly-shocked or (M)-moderately-shocked Feldspar. The Raman-spectra from the following sample sites No.: 15-A, 23, 28, 32 & 33 may indicate shocked feldspar-minerals. These Raman-spectra must be further analysed by experts with the experience to correctly assess such spectra. ( explanation to Raman-spectra of shocked Feldspar : see at page 30 in the Appendix 3 )
Beside possible shocked feldspar minerals other minerals, e.g. a number of iron-bearer-minerals found on the island, may also indicate an impact event.
Different types of feldspar-breccia on sample site 32 and 34-B (on the west-coast), and rock-samples from the tip of the outflow-tongue from the Tejeda Crater, which contain iron-bearer minerals like Magnetite may provide the evidence for an impact event.
Minerals found in the analyses : Albite, Anorthoclase, Augite, Corvusite, Coyoteite, Cronstedtite, Hollandite, Labradorite, Magnetite, Microcline, Oligoclase, Orthoclase, Tengerite, etc.
According to my hypothesis the hot spots which caused the Canary Islands originally were impact sites of large ejecta fragments, which were ejected from the Permian Triassic Impact Crater in the Arctic Sea. And I am sure that these impact sites (hotspots) were produced by the same large-scale secondary impact event (caused by the PTI), which also has formed the "Bay of Lyon Crater" and other secondary-impact-structures in Spain.
This large-scale impact event is visible on the Gravity-Anomaly Map of the Canarian Islands. The PT-Impact Event probably formed a large secondary-crater, the hypothetical Ø430x290km Gibraltar-Crater (GIC) (see gravity anomaly map). The smaller oblique (ellipitical) impact-craters indicated on this Gravity-Anomaly-map, offshore of Fuerteventura, Lanzarote and Tenerife, all belong to this impact-event and are located along the hypothetical crater-wall (-rim) of the GIC. A magnetic-anomaly-map of the Atlantic-Ocean-floor south-west of Spain provides indication for this Ø430x290km Gibraltar Crater. (see the explanation on pages 28 & 29 of my PT-Impact-Hypothesis Part-2.
Category: Geophysics
[2] viXra:2203.0147 [pdf] submitted on 2022-03-25 18:21:57
Authors: Harry K. Hahn
Comments: 39 pages, 90 images, 90 diagrams
Here a summary of the Raman-spectroscopic analysis a of rock-samples which I have collected near the Ø13.5 x 10 km “Ajuy-Impact-Crater“ on Fuerteventura, and on other interesting sites on this Island. Some of the analysed feldspar-samples may show Raman-spectra which indicate (W)-weakly-shocked or (M)-moderately-shocked Alkali-Feldspar. These are feldspar-samples from the following sample-sites No.: 21-A, 35-A, 45-B, 45-D & 56-A (an explanation to Raman-spectra of shocked Alkali-Feldspar: see at page 38 in the Appendix-3)
Beside possible shocked feldspar minerals other minerals found on the island may also indicate an impact event. On sample-site 35-A, a small rock island on the south-west coast of Fuerteventure, which probably represents ejecta-material of the Ajuy Crater, the mineral Uranpyrochlore was found. And on sampe-sites 45 & 48 fragments of old oceanic sediments (>100 Myr old !) embedded in magmatic rocks were found. This mix of magmatic-rocks and old Earth-crust-fragments may also be an indication for an impact event, because it seems to represent ejecta material from the Ajuy Crater. Further rare-earth metals are present in the described ejecta-impact-areas near Ajuy. Other minerals found in the analysis : Albite, Annite, Augite, Aegirine, Corvusite, Coronadite, Dolomite, Flourophlogopite, Kutnohorite, Labradorite, Reyerite, Siderite, Sonolite, Titanite, Tengerite etc. Please see also: Lanzarote Impact Event. (Images of the analysed rock samples and photos of the sample-sites are in the Appendix at page 32)
According to my hypothesis the hot spots which caused the Canary Islands originally were impact sites of large ejecta fragments, which were ejected from the Permian Triassic Impact Crater in the Arctic Sea. And I am sure that these impact sites (hot spots) were produced by the same large-scale secondary impact event (caused by the PTI), which also has formed the "Bay of Lyon Crater" and other impact structures in Spain.
This large-scale impact event is visible on the Gravity-Anomaly Map of the Canarian Islands. The PT-Impact Event probably formed a large secondary-crater, the hypothetical Ø430x290km Gibraltar-Crater (GIC) (see gravity anomaly map). The smaller oblique (ellipitical) impact-craters indicated on this Gravity-Anomaly-map, offshore of Fuerteventura, Lanzarote and Tenerife, belong to this impact-event and are located along the hypothetical crater-wall (-rim) of the GIC. A magnetic-anomaly-map of the Atlantic-Ocean-floor south-west of Spain provides indication for this Ø430x290km Gibraltar Crater. (see the explanation on pages 28 & 29 of my PT-Impact-Hypothesis Part-2.
Category: Geophysics
[1] viXra:2203.0121 [pdf] submitted on 2022-03-22 18:36:02
Authors: Harry K. Hahn
Comments: 18 pages, 43 images, 29 diagrams
Here a summary of the Raman-spectroscopic analysis of rock-samples which I have collected near the possible Ø 12 x 9 km “Tinajo Impact Crater“ on Lanzarote, and on other interesting sites on the Island. A feldspar-sample collected on the sample site 65, that is close to the center of the hypothetical impact crater, may show a Raman-spectra which indicates (W) weakly-shocked feldspar. (an explanation to Raman spectra of shocked Alkali-Feldspar: see at page 17 in the Appendix 3). Minerals found in the analyses: Labradorite, Apatite-(Ca-F), Nepheline or Dachiardite-Ca, Forsterite, Reyerite, Dolomite or Rosasite, Kutnohorite or Calcite, Reynersonite(?). Images of the analysed rock samples and photos of the sample sites are in the Appendix at page 12). According to my hypothesis the hot spots which caused the Canary Islands originally were impact sites of large ejecta fragments, which were ejected from the Permian Triassic Impact Crater in the Arctic Sea. And I am sure that these impact sites ( hot spots ) were produced by the same large-scale secondary impact event ( caused by the PTI ), which also has formed the "Bay of Lyon Crater" and other impact structures in Spain. However in all collected rock samples no quartz was found. This makes it difficult to provide evidence for this secondary impact of the PTI.
The Gravity Anomaly Map of the Canarian Islands indicates a large scale Impact Event. This impact event probably was the result of Ejecta from the PTI (Permian Triassic Impact) which formed a large secondary crater, the hypothetical Ø430x290 km Gibraltar Crater (GIC). (see gravity anomaly map on the next page). The smaller oblique (ellipitical) impact craters indicated on this Gravity Anomaly map, offshore of the Islands Lanzarote, Fuerteventura and Teneriffa, belong to this impact event and are located along the hypothetical crater-wall (-rim) of the GIC. A magnetic anomaly map of the Atlantic Ocean-floor south-west of Spain provides indication for this Ø430x290 km Gibraltar Crater. (see the explanation on pages 28 & 29 of my PT Impact Hypothesis Part 2.
Category: Geophysics
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