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How much better to place our confidence in the Creator who made and knows everything, and who never fails or tells lies, than in a radioactive dating method that has been repeatedly demonstrated to fail and to yield false ages for the earth’s rocks.
Fossils are almost never dated by radiometric methods, since they rarely contain suitable radioactive elements.
However, the most violent explosions occurred on 19 February 1975, accompanied by what eye-witnesses described as atmospheric shock waves.9 Blocks up to 30 m (100 ft) across were catapulted up to 3 km (almost 2 miles). Turbulent avalanches of ash and blocks swept down Ngauruhoe’s sides at about 60 km (35 miles) per hour.10 It is estimated that at least 3.4 million cubic metres (120 million cubic feet) of ash and blocks were ejected in 7 hours.11up If any of these assumptions are violated, then the technique fails and any “dates” are false.
The potassium-argon (K–Ar) dating method is often used to date volcanic rocks (and by extension, nearby fossils). Eleven samples were collected from five recent lava flows during field work in January 1996—two each from the 11 February 1949, 4 June 1954, and 14 July 1954 flows and from the 19 February 1975 avalanche deposits, and three from the 30 June 1954 flow14 (Figure 6).
Until the mid-1970s, it was impossible to know when each of the flows occurred.
However, as this video segment adapted from Flowing lava erases nearly everything in its path.
It is not as well publicized as its larger close neighbour MT Ruapehu, which has erupted briefly several times in the last five years.
If the method fails on rocks when we have an independent eye-witness account, then why should we trust it on other rocks where there are no independent historical cross-checks?
The first lava eruption seen by Europeans occurred in 1870.3 Then there were ash eruptions every few years until a major explosive eruption in April–May 1948, followed by lava flowing down the northwestern slopes in February 1949.4 These flows are still distinguishable today on the northwestern and western slopes of Ngauruhoe (Figure 4).
The 18 August flow was more than 18 m (55 feet) thick and still warm almost a year after congealing.
A common way of dating fossils (and rocks which do not contain radioactive elements) is by “dating” an associated volcanic rock. It depends on the rate at which radioactive potassium decays into the gas argon.
The K–Ar method works on the assumption that the “clock” begins to “tick” the moment that the rock hardens.
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Cannon-like, highly explosive eruptions in January and March 1974 threw out large quantities of ash as a column into the atmosphere, and as avalanches flowing down the cone’s sides.