Major Absorption Features

Question 1

OH and Water feature for clays, sulfates, hydroxides, and zeolites

Answer 1

~1400 nm

Question 2

NH4 species

Answer 2

~1560 nm

Question 3

OH for sulfates

Answer 3

~1800 nm

Question 4

Water for smectites

Answer 4

~1900 nm

Question 5

NH4 species (high)

Answer 5

2020, 2120 nm

Question 6

Al-OH for clays, sulfates, and micas

Answer 6

~2200 nm

Question 7

Fe-OH for Fe-clays

Answer 7

~2290 nm

Question 8

Mg-OH for Mg-clays and organics

Answer 8

~2310 nm

Question 9

Mg-OH for chlorites

Answer 9

~2324 nm

Question 10

CO3 -2 for carbonates

Answer 10

~2350 nm

Question 11

Fe-OH for Fe-chlorites

Answer 11

~2350 nm