The Full Wiki

Scoria: Quiz

Advertisements
  
  

Question 1: What does the following picture show?

  Tuff moai with red scoria pukao on its head
  Scoria of various hues exists on Mount Tarawera, from its 1886 eruption.
  Scoria of various hues exists on Mount Tarawera, from its 1886 eruption.
  Holocene scoria-producing volcano near Veyo, Utah

Question 2: What does the following picture show?

  Tuff moai with red scoria pukao on its head
  Photomicrograph of a volcanic lithic fragment (sand grain) derived from scoria; upper picture is plane-polarized light, bottom picture is cross-polarized light, scale box at left-center is 0.25 millimeter.
  Scoria of various hues exists on Mount Tarawera, from its 1886 eruption.

Question 3: An example is Mount Wellington, Auckland in ________, which like the Three Kings in the south of the same city has been extensively quarried.
United KingdomNew ZealandAustraliaNauru

Question 4: The quarry of Puna Pau on Rapa Nui/________ was the source of a red coloured scoria which the Rapanui people used to carve the pukao (or topknots) for their distinctive moai statues, and to carve some moai from.
Wallis and FutunaFrench PolynesiaNiueEaster Island

Question 5: What does the following picture show?

  Scoria of various hues exists on Mount Tarawera, from its 1886 eruption.
  Photomicrograph of a volcanic lithic fragment (sand grain) derived from scoria; upper picture is plane-polarized light, bottom picture is cross-polarized light, scale box at left-center is 0.25 millimeter.
  Scoria of various hues exists on Mount Tarawera, from its 1886 eruption.
  Fresh scoria sometimes has a blue sheen to its surface.

Question 6: The delicate framework of thread-lace scoria is so open that the average ________ is 98-99%.
Hydraulic conductivityPorosityWater contentPermeability (earth sciences)

Question 7: Scoria is light as a result of numerous macroscopic ellipsoidal vesicles, but most scoria has a ________ greater than 1, and sinks in water.
Surface tensionRelative densityAluminiumDensity

Question 8: It is commonly, but not exclusively, ________ or andesitic in composition.
Flood basaltBasaltLavaIgneous rock

Question 9: This is the lightest rock on Earth, with its ________ less than 0.3.
Surface tensionAluminiumDensityRelative density

Question 10: What does the following picture show?

  Holocene scoria-producing volcano near Veyo, Utah
  Holocene scoria-producing volcano near Veyo, Utah
  Scoria







Advertisements









Got something to say? Make a comment.
Your name
Your email address
Message