WikiCards
Play on iPhone nowFree in Safari. Add it to your Home Screen.Play
WikiCards · Card list · Science cards · Greywacke
Uncommon card · Science
Greywacke, an Uncommon card
Greywacke or graywacke is a variety of sandstone generally characterized by its hardness, dark color, and poorly sorted angular grains of quartz, feldspar, and small rock fragments or sand-size lithic fragments set in a compact, clay-fine matrix.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 55
- DEF
- 40
- Power
- 95
- Wikipedia reads a year
- 37,000
Power 95 (ATK + DEF): stronger than 35 % of WikiCards cards.
Greywacke quiz: 3 questions
Three questions on the Greywacke card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
It is a texturally immature ______ rock generally found in Paleozoic strata.
Answer
sedimentary. It is a texturally immature sedimentary rock generally found in Paleozoic strata. From the Greywacke article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Critical point. Critical point 64 · Rockwell-MBB X-31 61 · Divisor 58 · Greywacke 55 ATK in WikiCards.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- It is a texturally immature sedimentary rock generally found in Paleozoic strata.
- The larger grains can be sand- to gravel-sized, and matrix materials generally constitute more than 15 percent of the rock by volume.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Greywacke article was read about 37,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 55 and blocks with 40: each hit it takes is cut by 16 %.
How to get Greywacke
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Science cards
Cards close in power
The cards just above and just below Greywacke in the power ranking, all domains together.
- Aulus GelliusUncommon · History · ATK 59 DEF 36
- D-A-DUncommon · Arts · ATK 59 DEF 36
- Margraviate of AustriaUncommon · History · ATK 61 DEF 34
- Jon AramburuUncommon · Society · ATK 55 DEF 40
- François CouperinUncommon · Arts · ATK 62 DEF 33
- Léon FoucaultUncommon · Science · ATK 60 DEF 35
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Greywacke (revision), CC BY-SA 4.0. Photo : Sj, CC BY-SA 4.0, Wikimedia Commons.
