RE:RE:Great Thunder Gold Rocdic,
You are quite correct.
- Military sensors are more refined and have better resolution (thermal, in this case) than commercial satellites such as ASTER, and they are mainly presumably for detecting of large heat sources (on the surface), e.g. a high concentration of vehicles that have big (hot) engines, like tanks, near a border?
- For mineral exploration, usually, geos would need to take 2 pictures over the same area, one during the day and another during pre-dawn (to get rid of the effect of high energy stuff from the Sun). Note whoever did the ASTER survey/analysis for GTG only did it with daytime data only (website). They may need to subtract one result from the other (subject to large errors, if the two numbers are almost the same).
- Even though LWIR could get trhough a thicker vegetation than SWIR, the penetration thicness (up to 60cm) is not thick enough compared to the vegetation one would expect from a swamp (just look at Google Earth picture). If you have a tree canopy, then just forget it (unless the area is stripped bare of leaves (and not too much branches to block energy transmission) in the winter . I have no clue if a deposit of say Au in Quartz could emit enough energy through a layer of overburden, to be registered by the satellite sensors.
- An outcrop would be ideal, but No outcrops have been mentioned in this area.
- Note also, that not too much results (e.g. Hematite and Alunite) for Fenelon and NB were shown in the figures, just words
- In general using LWIR is tricky, and a casual application of the technology may not give a reliable indication for locating potential drill targets. Perhaps, this is just to show that they have a "scientific" platform to raise some money for playing the proximity game.
Just my understand of the subject, folks. Do you own DD... and experts out there, feel free to weigh in, since I am no geo.
GH11
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rocdic wrote: LWIR...is a remote sensing tool focused on infrared thermal differences...it's mainly used in military heat signature applications...my opinion is that it would have little to no use in the are that Fenelon is located. Look at a picture...it's a big swamp...LWIR is incapable of penetrating this cover to produce meaningful data...GTG...is using closeology...and misinterpretation of a valid remote sensing tech to promote its stock....Classic example is their websites extensive treatment...shows maps of supposed mineral concentrations...and inexplicably mixes in the word Rhyolite..on one of their supposed maps...GTG...Rhyoite is a rock type not a mineral..like pyrite. Just my opinion...RD