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Questions related from Michael Issigonis
During that time iron from weathering will enter the oceans and presumably form soluble compounds.
02 February 2024 5,501 4 View
According to ancient Greek writers many people indigenous to the mountainous Cilicia province of Asia Minor had no knee-cap (επιγονατιδες, in Greek). As a result of this they were able to run at...
05 December 2023 6,958 6 View
If only about 10% of people are left-handed, then we must have a rare event in my area. This family lives across the street. Anyone has encountered similar or more rare situations?
26 April 2023 4,909 1 View
Snow accumulation on road surfaces will turn into ice by over-passing traffic, especially heavy traffic. Ice will move by a small amount every time a vehicle passes. Why will it end up in pointed,...
23 March 2023 4,355 5 View
From the time I went to Greek school, this was a hot topic with no real answers. Suddenly, this investigator, Asterios Tsintsifos who is not an academic, but simply writes on Facebook, presents a...
18 December 2020 7,629 7 View
There is a small section of a beach south of Tiros, Greece where most of the gravel is made up of these marble-like stones. While I was there suddenly several waves came ashore, but the sea was...
27 October 2020 6,044 4 View
There is certainly some flowage of material, also alteration of fragments, a prominent pink colour from fine hematite throughout (probably from altered mafics). These rocks were found in dug-out...
09 September 2020 839 10 View
You are inside the St. Martin's meteorite crater, Manitoba. This is one of the craters formed in the 225 Ma event. These cut-and-varnished rocks are common together with an impact breccia and a...
17 August 2020 3,975 18 View
This rock from Manicotagan has numerous veins of asbestos and also these peculiar green veins. The green mineral can be scratched with a steel nail. The rock has been described as...
12 August 2020 8,564 6 View
The platy mineral appears glassy, but can be scratched by steel blade. The matrix of the dike is probably chlorite rich. A close-up of the platy minerals in last picture.
03 August 2020 9,272 11 View
This winter a higher-than- normal fog has been the most common weather phenomenon. It used to be mostly sunny during the winter with occasional snow storms. The humidity levels used to be less...
07 December 2019 7,416 4 View
We are in an area of Palaeozoic limestone and dolomite in western Canada. This core sample has an assortment of rock types, mostly angular. The contacts in the core are not clear.
10 November 2019 1,258 37 View
We are in an area of Palaeozoic limestone and dolomite in western Canada. In these pictures the limestone appears to be disturbed and a rounded "blob" has been introduced (?). It is extremely...
10 November 2019 2,699 13 View
The exposures form a "castle" (maybe old volcano) on the Greek island of Skyros. There is an abundance of calcite in both the rock and veins. There are numerous mostly rounded siliceous (very...
09 November 2019 6,609 41 View
All I could identify is calcite. The surrounding rocks are limestone that has been fractured and altered (clay replacing fossils, matrix sometimes silicified). Now maybe it is not limestone...
31 October 2017 9,031 15 View
A new worldwide phenomenon has been well documented with videos. What I would like to find out is how one can transmit sound in a new way (nothing that we know so far). It has explosion-like...
11 October 2017 2,862 3 View
Spreading an endothermic (absorbing energy) substance like potash onto the cloud of the hurricane will potentially reverse the vapor to cloud process and dissipate the clouds, thus weakening the...
08 September 2017 6,537 6 View
These peculiar rocks - one looks metamorphic, the other igneous - have a "coat" of obsidian-like material, very hard and showing small rounded cavities and conchoidal fracture. (First...
06 August 2017 8,061 43 View
It is a hard (steel nail will not scratch it), probably silicified green rock with euhedral plagioclase phenocrysts (some showing twinning), other elongated phenocrysts now altered to chlorite and...
20 July 2017 4,818 11 View
I think it belongs to the Silurian of North America (in the province of Manitoba). It is limestone and the fossil has this net-like structure. I originally thought it was a Bryozoan, some think it...
19 May 2017 3,549 20 View
It is made of very fine quartz (steel can't scratch it) with a vesicular-like structure. The "vesicles" are rounded, yet on the side view are elongated and look like human teeth. The "vesicles"...
06 May 2017 9,227 18 View
This is probably the second year in a row that the cold has become severe in Canada due to unusually high humidity. In previous years the cold was bearable, because people knew how to dress, etc...
19 February 2015 4,091 2 View
In the heart of the gold country of NW Quebec, where "structurally controlled" gold deposits are the norm, there are two deposit types that have been puzzles: at least two "porphyry-type"...
16 December 2014 3,837 6 View
These volcanic breccias on Aegina island, Greece exhibit large cavities with smooth, rounded walls. Is there a way to find out what used to be inside those cavities? Was it just gas or fluids with...
02 December 2014 3,159 9 View
If one pays a visit to the town of Cross Lake, Manitoba, preferably on an educational purposes trip, the locals will take you to their "Gordian Knot" situation and ask you to explain to them how...
28 November 2014 7,765 9 View
The target rocks are limestone/dolomite. I assume that the CO2 gas in the rock will be released during the impact and force "plasticized" rocks to move out at supersonic speeds. The following...
20 November 2014 3,502 8 View
Canoe-goers use this very handy axe today, but they did not make it. They say it is very old. When we first looked at it we thought wow! it must be Minoan. We know the Minoans travelled far and...
08 August 2014 2,421 8 View
