The Process Of Heat-Treating Knife River Quamp Essay

718 Words 3 Pages
The process of heat-treating Knife River Flint requires a lot of time, preparation, and materials. The Knife River Flint that was used in this experiment came from Mercer County, North Dakota, which there are five different Knife River Flint Quarries in Mercer County. The three closest quarries to where the Knife River Flint in this experiment was collected are the Crowley Quarries, Medicine Butte, and Dodge Quarry.

With the help of Russell Redhorn, a Native American monitor I was working with at the time, we were able to collect a large quantity of Knife River Flint cobbles from an area about eight miles south of Zap, North Dakota. Which is in close vicinity to the Medicine Butte Quarry. (See Fig. 2) One could speculate that the Knife River Flint that was collected could be from the Medicine Butte Quarry. Knife River Flint is the most important component for this experiment, so a high quantity of high quality Knife River was needed. The other materials need for the experiment was a regular home oven, a cast iron pot, sand, hard hammer, soft hammer, pressure flaker and a reliable timer, since time plays a large part in this experiment. There a many different ways that can be employed to heat-treat Knife River Flint. The use of a home oven, kiln, fire pit, or a barbeque has been used to heat-treat Knife River
…show more content…
A slow increase of temperature over a long period of time, with a slow cool down is essential to properly heat-treating Knife River Flint. If the rocks are heated to fast or cooled to fast pot lidding, crazing and microfracturing could occur. The experiment would consist of three separate batches and a mixture of seven nodules and flakes. One batch was heat-treated for six hours, the second was heat treated for twelve hours, and the last was not heat-treated, as it would be used as a control and a comparative, since they were still in the raw form. (See Table

Related Documents