Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
33 Cards in this Set
- Front
- Back
|
Barysphere?
|
Earth interior
|
|
|
Aesthenosphere?
|
Upper mantle, weak to stress changes
|
|
|
Biosphere include dead animals/plants?
|
Yes, dep on def
|
|
|
Rock?
|
heterogeneous mix of minerals
|
|
|
When/why is Si-based rock ultrabasic?
|
When x(Si) < 1/7, strong Lewis base (e-donor from abundant O(II))
|
|
|
Where/why Peridotite?
|
Aesthenosphere, melting-point
|
|
|
Elements most of lithosphere?
|
O, Si
|
|
|
What/how metamorphic rock? Remelted?
|
From partial melting of igneous/sedi/metamorphic rock. remelted.
|
|
|
Can a (mu)-oxosilicate be monomeric silicate?
|
Yes
|
|
|
What is orthosilicic acid?
|
[img]
|
|
|
Famous eg of amphibole?
|
Tremolite [img]
|
|
|
Tectosilicate a chain silicate?
|
No. 3D framework from quartz
|
|
|
Why doesn't an olivine have fixed formula?
|
Fe/Mg free eqb, with weather
|
|
|
Emerald chem struct type?
|
Beryl
|
|
|
Feldspar basic chemical unit?
|
K[AlSi3O8] "Framework silicates"
|
|
|
Feldspar - why Si(IV) replaced by Al(III) need counterbalancing by Na+/K+, not P(V)?
|
[?]
|
|
|
Cement made of? Meso...?
|
[?]
|
|
|
Effect of water on tectosilicate formation?
|
Changes MP
|
|
|
What/why Bowen series?
|
[?]
|
|
|
Giga 10^?
|
9
|
|
|
Tera 10^?
|
12
|
|
|
Peta 10^?
|
15
|
|
|
Exa 10^?
|
18
|
|
|
Zetta 10^?
|
21
|
|
|
Yotta10^?
|
24
|
|
|
Oceans slightly acidic or basic?
|
[?]
|
|
|
Winkler method for?
|
calibrating modern O-sensitive electrodes/det w(BOD)
|
|
|
Method to det amt sewage in polluted water?
|
KJELDAHL Titration - conversion of N(-III) to NH4+
|
|
|
W(BOD)?
|
[?] Bio. Ox. Demand
|
|
|
Three main lake layers, affected by season?
|
Top epilimnion - warm/light in summer, frozen in winter. Thermocline mid, bottom - hypolimnion, dense, colder but 4C in winter
|
|
|
Humus?
|
untraceable dead veg mater
|
|
|
Why use more complicated human formula?
|
Aquatic env. calc
|
|
|
How know oil/coal from plants/animals?
|
Plants molecs present
|
