Geochemistry & Ecology of Red Mat Systems (GERMS)

Undergraduate Summer Research Program

Week Two – In Yellowstone

Water Chemistry:

Site: Hillside 2, June 28, 2004, Fairy, June, 27, 2004

Water Chemistry Methods & Results:

Chemical	Hillside 2 ml/L	Fairy
Bromine	0.87 turned pink	0.57
Total Chlorine	0.33 turned pink	.0.27
Chromium	0.03 clear no color change	0.00
Molybdenum	0.8	0.0
Nitrate	2.1 black pp on bottom	3.3
Nitrite	0.031 light orange/ yellow	0.021
Sulfate	9.0 clear no color change	17.0
Sulfide (non AccuVac)	0.00	0.03

Site and Mat Analysis:

Overview of collection site. Fairy hotspring. Arrow points to holes where the samples were taken from.
Close-up of where the samples were taken from.

Site Photography:

Site Parameters:

Site: Fairy June 27, 2004	Water temperature at collection site:	92.7° C
	Water pH at collection site:	7.5
	Mat temperature where core removed:	46.0°C
	Mat pH were core removed:	8.5 - 9.0

In Field Mat Sampling – Target Layer Samples:

**document any variation**

Operator error, no pictures are available of the cores

Danny Lodge removed the samples

Mat Dissection:

**document any variation**

No variation

Water Collection:

In field water collection

Down stream approx 100ft from Imperial June 29, 2004

Water Filtering

1^st filter was slight off centered causing leaking. We lost no more than 50 mL.